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Paediatrica

Pakistan Journal of Biological Sciences

Pakistan Journal of Medical Sciences online

Pakistan Journal of Nutrition

Papeis Avulsos de Zoologia (Sao Paulo)   

Papeles de Poblacion

Parasitologia al dia

Parasitologia latinoamericana

Perinatologia y Reproduccion Humana

Perspectives on Sexual and Reproductive Health 

Pesquisa Odontologica Brasileira   

Pesquisa Veterinaria Brasileira   

Pharmacological Reports

The Physician and Sportsmedicine: a peer reviewed journal of medical aspects of sports, exercise and fitness

Physiological Research

The Physiologist

Plant Methods   

Plant Pathology Journal

Plant Production Science

Planta Daninha

Plantula   

PLoS Biology   

PLoS Genetics

PLoS Medicine   

PLoS Pathogens

Polish Heart Journal

Polish Journal of Pharmacology

PoS - Proceedings of Science

Postgraduate Medicine

Pramana : Journal of Physics

Preventing Chronic Disease   

The Primary Care Companion to the Journal Clinical Psychiatry

Primary Care Respiratory Journal 

Proceedings of the American Thoracic Society online

Proceedings of the Japan Academy, Series B Physical and biological sciences

Progress in Physics   

Proteome Science   

Psicologica   

Psicologia & Sociedade   

Psicologia em Estudo   

Psicologia USP   

Psicologia: Reflexao e Critica   

Psicologia: Teoria e Pesquisa   

PsyArt   

PSYCHE: An Interdisciplinary Journal of Research on Consciousness

PsychNology Journal

Psycho-Social-Medicine

Psychology in Spain

Psycoloquy

Psykhe (Santiago)