Journal Impact Factors - O

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Abbrev

Title

ISSN

99

98

97

96

95

94

93

92

OBES RES

OBESITY RESEARCH

1071-7323

3.410

2.265

1.748

OBES SURG

OBESITY SURGERY

0960-8923

1.752

1.360

0.716

0.714

0.139

0.073

OBSERVATORY

OBSERVATORY

0029-7704

0.388

0.443

0.75

0.72

0.773

0.636

0.511

0.814

OBSTET GYN CLIN N AM

OBSTETRICS AND GYNECOLOGY CLINICS OF NORTH AMERICA

0889-8545

0.774

0.978

0.4

0.45

0.431

0.2

0.282

0.587

OBSTET GYNECOL

OBSTETRICS AND GYNECOLOGY

0029-7844

2.122

2.252

2.256

2.427

2.202

2.087

2.071

1.671

OCCUP ENVIRON MED

OCCUPATIONAL AND ENVIRONMENTAL MEDICINE

1351-0711

1.958

1.614

1.681

1.259

1.205

OCCUP MED

OCCUPATIONAL MEDICINE-STATE OF THE ART REVIEWS

0885-114X

0.673

0.552

0.545

0.683

0.402

0.3

0.283

0.339

OCCUP MED-OXFORD

OCCUPATIONAL MEDICINE-OXFORD

0962-7480

0.462

0.259

0.54

0.549

0.267

0.205

0.04

OCEAN COAST MANAGE

OCEAN COASTAL MANAGEMENT

0964-5691

0.272

0.147

OCEAN ENG

OCEAN ENGINEERING

0029-8018

0.308

0.281

0.38

0.177

0.296

0.288

0.203

0.152

OCEANOL ACTA

OCEANOLOGICA ACTA

0399-1784

0.719

0.767

0.626

0.5

0.417

0.698

0.892

0.784

OCEANUS

OCEANUS

0029-8182

0.083

0.122

0.02

0.066

0.136

0.144

0.204

0.086

OCL-OL CORPS GRAS LI

OCL-OLEAGINEUX CORPS GRAS LIPIDES

1258-8210

0.098

0.108

0.109

0.076

0

OCUL IMMUNOL INFLAMM

OCULAR IMMUNOLOGY AND INFLAMMATION

0927-3948

0.883

0.554

OECOLOGIA

OECOLOGIA

0029-8549

2.159

1.995

1.854

1.962

1.569

1.366

1.386

1.496

OHIO J SCI

OHIO JOURNAL OF SCIENCE

0030-0950

0.057

0.158

0.167

0.109

0.08

0.135

0.127

0.228

OIKOS

OIKOS

0030-1299

2.566

2.178

1.86

2.028

1.942

1.765

1.566

1.467

OIL GAS J

OIL GAS JOURNAL

0030-1388

0.133

0.131

0.134

0.165

0.132

0.089

0.099

0.15

OIL GAS-EUR MAG

OIL GAS-EUROPEAN MAGAZINE

0342-5622

0.033

0.045

OIL SHALE

OIL SHALE

0208-189X

0.488

0.274

0.322

0.273

OKEANOLOGIYA

OKEANOLOGIYA

0030-1574

0.316

0.214

OMEGA-INT J MANAGE S

OMEGA-INTERNATIONAL JOURNAL OF MANAGEMENT SCIENCE

0305-0483

0.414

0.314

0.28

0.404

0.286

0.381

0.175

0.304

ONCOGENE

ONCOGENE

0950-9232

6.517

6.192

6.772

7.727

7.991

7.387

6.991

6.634

ONCOL REP

ONCOLOGY REPORTS

1021-335X

0.659

0.399

0.407

0.476

0.421

ONCOL RES

ONCOLOGY RESEARCH

0965-0407

1.992

1.500

1.447

2.057

1.361

1.627

1.204

ONCOLOGY-BASEL

ONCOLOGY

0030-2414

2.684

2.858

2.141

ONDERSTEPOORT J VET

ONDERSTEPOORT JOURNAL OF VETERINARY RESEARCH

0030-2465

0.329

0.416

0.407

0.344

0.43

0.243

0.675

0.628

ONKOLOGIE

ONKOLOGIE

0378-584X

0.382

0.537

0.328

0.451

0.462

0.38

0.445

0.545

ONLINE CDROM REV

ONLINE CDROM REVIEW

1353-2642

0.293

0.311

0.147

0.222

0.333

0.389

OPER DENT

OPERATIVE DENTISTRY

0361-7734

1.305

0.972

1.257

1.618

1.403

0.722

0.412

0.649

OPER RES

OPERATIONS RESEARCH

0030-364X

1.268

0.655

0.924

0.716

0.858

0.729

0.567

0.747

OPER RES LETT

OPERATIONS RESEARCH LETTERS

0167-6377

0.360

0.395

0.343

0.325

0.279

0.235

0.264

0.241

OPER TECHN SPORT MED

OPERATIVE TECHNIQUES IN SPORTS MEDICINE

1060-1872

0.230

0.169

OPHELIA

OPHELIA

0078-5326

0.554

1.556

1.494

0.845

0.483

0.923

0.496

0.512

OPHTHAL PHYSL OPT

OPHTHALMIC AND PHYSIOLOGICAL OPTICS

0275-5408

0.676

0.465

0.558

0.457

0.388

0.453

0.281

0.214

OPHTHALMIC PLAST REC

OPHTHALMIC PLASTIC AND RECONSTRUCTIVE SURGERY

0740-9303

0.333

0.422

0.351

0.327

0.33

0.358

0.143

0.204

OPHTHALMIC RES

OPHTHALMIC RESEARCH

0030-3747

1.257

0.799

0.627

0.4

0.496

0.588

0.482

0.718

OPHTHALMIC SURG LAS

OPHTHALMIC SURGERY AND LASERS

0022-023X

0.681

0.388

0.321

0.496

OPHTHALMOLOGE

OPHTHALMOLOGE

0941-293X

0.475

OPHTHALMOLOGICA

OPHTHALMOLOGICA

0030-3755

0.557

0.484

0.46

0.361

0.228

0.36

0.234

0.273

OPHTHALMOLOGY

OPHTHALMOLOGY

0161-6420

2.725

2.702

2.408

2.779

2.222

2.083

2.264

2.142

OPT APPL

OPTICA APPLICATA

0078-5466

0.125

0.203

0.141

0.275

0.136

0.053

0.15

0.145

OPT COMMUN

OPTICS COMMUNICATIONS

0030-4018

1.352

1.206

1.258

1.222

1.193

1.205

1.11

1.299

OPT ENG

OPTICAL ENGINEERING

0091-3286

1.171

0.559

0.636

0.706

0.614

0.65

0.6

0.765

OPT FIBER TECHNOL

OPTICAL FIBER TECHNOLOGY

1068-5200

1.212

OPT LASER ENG

OPTICS AND LASERS IN ENGINEERING

0143-8166

0.604

0.333

0.472

0.4

0.437

0.31

0.319

0.275

OPT LASER TECHNOL

OPTICS AND LASER TECHNOLOGY

0030-3992

0.548

0.296

0.277

0.45

0.317

0.416

0.436

0.34

OPT LETT

OPTICS LETTERS

0146-9592

3.537

2.951

2.487

2.246

2.627

2.525

2.449

2.52

OPT MATER

OPTICAL MATERIALS

0925-3467

1.293

0.826

0.716

0.988

0.735

1.086

OPT QUANT ELECTRON

OPTICAL AND QUANTUM ELECTRONICS

0306-8919

0.876

0.886

0.552

0.472

0.921

1.303

1.01

1.267

OPT REV

OPTICAL REVIEW

1340-6000

0.673

0.455

0.379

OPTIK

OPTIK

0030-4026

0.784

0.515

0.401

0.48

0.554

0.569

0.558

0.619

OPTIM CONTR APPL MET

OPTIMAL CONTROL APPLICATIONS METHODS

0143-2087

0.203

0.170

0.17

0.261

0.341

0.311

0.071

0.18

OPTIM METHOD SOFTW

OPTIMIZATION METHODS SOFTWARE

1055-6788

0.377

0.160

0.118

OPTOMETRY VISION SCI

OPTOMETRY AND VISION SCIENCE

1040-5488

0.914

0.482

0.432

0.361

0.235

0.124

0.178

0.169

OR SPEKTRUM

OR SPEKTRUM

0171-6468

0.466

0.320

0.511

0.224

0.161

0.081

0.102

0.058

ORAL MICROBIOL IMMUN

ORAL MICROBIOLOGY AND IMMUNOLOGY

0902-0055

1.526

1.347

1.252

1.488

1.519

1.306

1.475

0.962

ORAL ONCOL

ORAL ONCOLOGY-EUROPEAN JOURNAL OF CANCER PART B

0964-1955

1.396

1.265

0.474

1.2

0.951

0.108

0.36

ORAL SURG ORAL MED O

ORAL SURGERY ORAL MEDICINE ORAL PATHOLOGY ORAL RADIOLOGY AND ENDODONTICS

1079-2104

0.908

0.806

0.884

0.915

0.609

0.703

0.757

0.601

ORDER

ORDER-A JOURNAL ON THE THEORY OF ORDERED SETS AND ITS APPLICATIONS

0167-8094

0.085

0.139

0.13

0.321

0.381

0.292

0.158

0.197

ORE GEOL REV

ORE GEOLOGY REVIEWS

0169-1368

1.029

1.838

0.511

0.969

0.545

ORG GEOCHEM

ORGANIC GEOCHEMISTRY

0146-6380

1.285

1.695

1.51

1.289

1.813

1.293

0.991

1.419

ORG LETT

ORGANIC LETTERS

1523-7060

ORG PREP PROCED INT

ORGANIC PREPARATIONS AND PROCEDURES INTERNATIONAL

0030-4948

0.673

0.830

0.691

0.733

0.609

0.673

0.807

0.46

ORG PROCESS RES DEV

ORGANIC PROCESS RESEARCH DEVELOPMENT

1083-6160

0.686

0.153

ORGANOMETALLICS

ORGANOMETALLICS

0276-7333

3.215

3.471

3.227

3.134

3.118

2.882

2.952

2.97

ORIENT INSECTS

ORIENTAL INSECTS

0030-5316

0.276

0.143

0.133

0.179

0.026

0

0.023

0.026

ORIGINS LIFE EVOL B

ORIGINS OF LIFE AND EVOLUTION OF THE BIOSPHERE

0169-6149

1.654

0.745

0.891

0.863

1.426

0.841

0.577

1

ORL J OTO-RHINO-LARY

ORL-JOURNAL FOR OTO-RHINO-LARYNGOLOGY AND ITS RELATED SPECIALTIES

0301-1569

0.454

0.435

0.418

0.493

0.366

0.317

0.375

0.511

ORNIS FENNICA

ORNIS FENNICA

0030-5685

0.525

0.581

0.578

0.404

0.189

0.327

0.264

ORTHOP CLIN N AM

ORTHOPEDIC CLINICS OF NORTH AMERICA

0030-5898

0.935

1.145

0.63

0.615

0.459

0.549

0.549

0.67

ORTHOPADE

ORTHOPADE

0085-4530

0.583

0.366

0.524

0.422

0.15

0.112

0.114

0.127

ORTHOPEDICS

ORTHOPEDICS

0147-7447

0.490

0.287

0.265

0.283

0.162

0.208

0.258

0.151

ORYX

ORYX

0030-6053

1.133

OSAKA J MATH

OSAKA JOURNAL OF MATHEMATICS

0030-6126

0.260

0.214

0.218

0.2

0.118

0.165

0.202

0.261

OSIRIS

OSIRIS

0369-7827

0.143

0.333

0.667

OSTEOARTHR CARTILAGE

OSTEOARTHRITIS AND CARTILAGE

1063-4584

2.210

2.014

2.242

OSTEOPOROSIS INT

OSTEOPOROSIS INTERNATIONAL

0937-941X

2.677

2.475

4.232

4

2.906

2.124

OSTRICH

OSTRICH

0030-6525

0.444

0.197

0.106

0.129

0.178

0.113

0.215

0.22

OTO RHINO LARYN NOVA

OTO-RHINO-LARYNGOLOGIA NOVA

1014-8221

0.013

0.000

OTOLARYNG CLIN N AM

OTOLARYNGOLOGIC CLINICS OF NORTH AMERICA

0030-6665

0.511

0.780

0.994

0.497

0.542

0.614

0.351

0.355

OTOLARYNG HEAD NECK

OTOLARYNGOLOGY

-

0.893

0.576

0.79

0.886

0.735

0.714

0.631

0.847

OUTLOOK AGR

OUTLOOK ON AGRICULTURE

0030-7270

0.262

0.246

0.266

0.19

0.438

0.339

0.136

0.182

OXFORD B ECON STAT

OXFORD BULLETIN OF ECONOMICS AND STATISTICS

0305-9049

0.508

0.554

0.781

0.762

0.61

1.317

0.73

1.37

OXID COMMUN

OXIDATION COMMUNICATIONS

0209-4541

0.111

0.120

OXID MET

OXIDATION OF METALS

0030-770X

1.273

1.680

1.784

1.141

1.153

1.55

1.19

0.76

OZONE-SCI ENG

OZONE-SCIENCE ENGINEERING

0191-9512

1.085

1.028

0.575

0.722

0.738

0.448

0.4

0.507