- Journal of Pain Research
- Journal of Pakistan Association of Dermatologists
- Journal of Palliative Medicine
- Journal of Parenteral and Enteral Nutrition
- Journal of Patient Experience
- Journal of Pediatric and Adolescent Gynecology
- Journal of Pediatric Endocrinology and Metabolism
- Journal of Pediatric Gastroenterology and Nutrition
- Journal of Pediatric Hematology Oncology
- Journal of Pediatric Nursing
- Journal of Pediatric Orthopaedics
- Journal of Pediatric Orthopaedics-Part B
- Journal of Pediatric Rehabilitation Medicine
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- Journal of Pediatric Surgery Case Reports
- Journal of Pediatric Urology
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- Journal of Pediatrics and Neonatology
- Journal of Peptide Research
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- Journal of PeriAnesthesia Nursing
- Journal of Perinatal Medicine
- Journal of Periodontal Research
- Journal of Peritoneum (and other serosal surfaces)
- Journal of Personalized Medicine
- Journal of Pest Science
- Journal of Pharmaceutical and Biomedical Analysis
- Journal of Pharmaceutical Care & Health Systems
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- Journal of Pharmacological and Toxicological Methods
- Journal of Pharmacology
- Journal of Pharmacology and Experimental Therapeutics
- Journal of Pharmacy & Pharmaceutical Sciences
- Journal of Pharmacy and Pharmacology
- Journal of Photochemistry and Photobiology A-Chemistry
- Journal of Photochemistry and Photobiology. B, Biology
- Journal of Physical Chemistry A
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- Journal of Physical Education & Health - Social Perspective
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- Journal of Physics. Conference Series
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- Journal of Physiology
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- Journal of Pineal Research
- Journal of Plant Physiology
- Journal of Polymer Engineering
- Journal of Poultry Science
- Journal of Power Sources
- Journal of Pre-Clinical and Clinical Research
- Journal of Proteome Research
- Journal of Psychiatric Practice
- Journal of Psychiatric Research
- Journal of Psychiatry & Neuroscience : JPN
- Journal of Psychopharmacology
- Journal of Psychosomatic Research
- Journal of Public Health (Heidelberg)
- Journal of Public Health, Nursing and Medical Rescue
- Journal of Public Health (Oxford)
- Journal of Radioanalytical and Nuclear Chemistry
- Journal of Raman Spectroscopy
- Journal of Rare Cardiovascular Diseases
- Journal of Reconstructive Microsurgery
- Journal of Refractive Surgery
- Journal of Religion and Health
- Journal of Renal Nutrition
- Journal of Reproductive Immunology
- Journal of Research in Nursing
- Journal of Rheumatology
- Journal of Saudi Chemical Society