| Journal of Orthopaedic Research | J ORTHOP RES | 0736-0266 |
| Journal of Orthopaedic Science | J ORTHOP SCI | 0949-2658 |
| Journal of Orthopaedic Surgery | JOURNAL OF ORTHOPAEDIC SURGERY | 2309-4990 |
| Journal of Orthopaedic Surgery and Research | JOURNAL OF ORTHOPAEDIC SURGERY AND RESEARCH | 1749-799X |
| Journal of Orthopaedic Translation | JOURNAL OF ORTHOPAEDIC TRANSLATION | 2214-031X |
| Journal of Orthopaedic Trauma | J ORTHOP TRAUMA | 0890-5339 |
| Journal of Orthopaedics | JOURNAL OF ORTHOPAEDICS | 0972-978X |
| Journal of Orthopaedics and Traumatology | JOURNAL OF ORTHOPAEDICS AND TRAUMATOLOGY | 1590-9921 |
| Journal of Orthopaedics Trauma and Rehabilitation | JOURNAL OF ORTHOPAEDICS TRAUMA AND REHABILITATION | 2210-4917 |
| Journal of Orthoptera Research | JOURNAL OF ORTHOPTERA RESEARCH | 1082-6467 |
| Journal of Osseointegration | JOURNAL OF OSSEOINTEGRATION | 2036-413X |
| Journal of Osteoporosis | JOURNAL OF OSTEOPOROSIS | 2090-8059 |
| Journal of Otolaryngology | | |
| Journal of Otolaryngology | J OTOLARYNGOL | 0381-6605 |
| Journal of Otolaryngology of Japan | JOURNAL OF OTOLARYNGOLOGY OF JAPAN | 0030-6622 |
| Journal of Otolaryngology-Head & Neck Surgery | J OTOLARYNGOL-HEAD N | 1916-0216 |
| Journal of Otology | JOURNAL OF OTOLOGY | 1672-2930 |
| Journal of Outdoor and Environmental Education | JOURNAL OF OUTDOOR AND ENVIRONMENTAL EDUCATION | 2206-3110 |
| Journal of Outdoor Recreation and Tourism-Research Planning and Management | JOURNAL OF OUTDOOR RECREATION AND TOURISM-RESEARCH PLANNING AND MANAGEMENT | 2213-0780 |
| Journal of Outdoor Recreation Education and Leadership | JOURNAL OF OUTDOOR RECREATION EDUCATION AND LEADERSHIP | 2381-0696 |
| Journal of Ovarian Research | J OVARIAN RES | 1757-2215 |
| Journal of Ovonic Research | J OVONIC RES | 1584-9953 |
| Journal of Ovonic Research | J OVONIC RES | 1842-2403 |
| Journal of Pacific Archaeology | JOURNAL OF PACIFIC ARCHAEOLOGY | 1179-4704 |
| Journal of Pacific History | | 0022-3344 |
| Journal of Pacific Rim Psychology | J PAC RIM PSYCHOL | 1834-4909 |
| Journal of Paediatric Respirology and Critical Care | JOURNAL OF PAEDIATRIC RESPIROLOGY AND CRITICAL CARE | 1814-4527 |
| Journal of Paediatrics and Child Health | J PAEDIATR CHILD H | 1034-4810 |
| Journal of Pain | J PAIN | 1526-5900 |
| Journal of Pain and Palliative Care Pharmacotherapy | JOURNAL OF PAIN & PALLIATIVE CARE PHARMACOTHERAPY | 1536-0288 |
| Journal of Pain and Symptom Management | J PAIN SYMPTOM MANAG | 0885-3924 |
| Journal of Pain Management | JOURNAL OF PAIN MANAGEMENT | 1939-5914 |
| Journal of Pain Research | JOURNAL OF PAIN RESEARCH | 1178-7090 |
| Journal of Pakistan Association of Dermatologists | JOURNAL OF PAKISTAN ASSOCIATION OF DERMATOLOGISTS | 1560-9014 |
| Journal of Palaeogeography-English | JOURNAL OF PALAEOGEOGRAPHY-ENGLISH | 2095-3836 |
| Journal of Paleolimnology | J PALEOLIMNOL | 0921-2728 |
| Journal of Paleontology | J PALEONTOL | 0022-3360 |
| Journal of Palestine Studies | J PALESTINE STUD | 0377-919X |
| Journal of Palliative Care | J PALLIAT CARE | 0825-8597 |
| Journal of Palliative Medicine | J PALLIAT MED | 1096-6218 |
| Journal of Pancreatic Cancer | JOURNAL OF PANCREATIC CANCER | 2475-3246 |
| Journal of Parallel and Distributed Computing | J PARALLEL DISTR COM | 0743-7315 |
| Journal of Parapsychology | | 0022-3387 |
| Journal of Parasitic Diseases | JOURNAL OF PARASITIC DISEASES | 0971-7196 |
| Journal of Parasitology | J PARASITOL | 0022-3395 |
| Journal of Parasitology Research | JOURNAL OF PARASITOLOGY RESEARCH | 2090-0023 |
| Journal of Parenteral and Enteral Nutrition | JPEN-PARENTER ENTER | 0148-6071 |
| Journal of Park and Recreation Administration | JOURNAL OF PARK AND RECREATION ADMINISTRATION | 0735-1968 |
| Journal of Parkinsonism and Restless Legs Syndrome | JOURNAL OF PARKINSONISM AND RESTLESS LEGS SYNDROME | 1927-7733 |
| Journal of Parkinsons Disease | JOURNAL OF PARKINSONS DISEASE | 1877-7171 |
