| Physiotherapy Research International | PHYSIOTHERAPY RESEARCH INTERNATIONAL | 1358-2267 |
| Physiotherapy Theory and Practice | PHYSIOTHERAPY THEORY AND PRACTICE | 0959-3985 |
| Physis (Rio de Janeiro, Brazil) | PHYSIS (RIO DE JANEIRO, BRAZIL) | 0103-7331 |
| Physis. Rivista Internazionale di Storia Della Scienza/international Journal for the History of Science | | 0031-9414 |
| Phytobiomes Journal | PHYTOBIOMES JOURNAL | 2471-2906 |
| Phytochemical Analysis | PHYTOCHEM ANALYSIS | 0958-0344 |
| Phytochemistry | PHYTOCHEMISTRY | 0031-9422 |
| Phytochemistry Letters | PHYTOCHEM LETT | 1874-3900 |
| Phytochemistry Reviews | PHYTOCHEM REV | 1568-7767 |
| Phytocoenologia | PHYTOCOENOLOGIA | 0340-269X |
| PhytoKeys | PHYTOKEYS | 1314-2011 |
| Phytomedicine | PHYTOMEDICINE | 0944-7113 |
| Phyton-annales Rei Botanicae | PHYTON-ANN REI BOT A | 0079-2047 |
| Phyton | PHYTON-INT J EXP BOT | 0031-9457 |
| Phytoparasitica | PHYTOPARASITICA | 0334-2123 |
| Phytopathogenic Mollicutes | PHYTOPATHOGENIC MOLLICUTES | 2249-4669 |
| Phytopathologia Mediterranea | PHYTOPATHOL MEDITERR | 0031-9465 |
| Phytopathology | PHYTOPATHOLOGY | 0031-949X |
| Phytoprotection | PHYTOPROTECTION | 0031-9511 |
| Phytotaxa | PHYTOTAXA | 1179-3155 |
| Phytotherapie | PHYTOTHERAPIE | 1624-8597 |
| Phytotherapy Research | PHYTOTHER RES | 0951-418X |
| PIDCC - Revista eletronica em Propriedade Intelectual e Direito Constitucional e Contemporâneo | PIDCC - REVISTA ELETRONICA EM PROPRIEDADE INTELECTUAL E DIREITO CONSTITUCIONAL E CONTEMPORÂNEO | 2316-8080 |
| PIDE Working Papers | PIDE WORKING PAPERS | 0078-8228 |
| Piel | PIEL | 0213-9251 |
| Pielęgniarstwo Chirurgiczne i Angiologiczne-Surgical and Vascular Nursing | | 1897-3116 |
| Pielęgniarstwo Neurologiczne i Neurochirurgiczne | PIELĘGNIARSTWO NEUROLOGICZNE I NEUROCHIRURGICZNE | 2084-8021 |
| Pielęgniarstwo Polskie | | 0860-8466 |
| PielĘgniarstwo Polskie / Polish Nursing | | |
| Pielegniarstwo Polskie / Polish Nursing | | |
| Pielęgniarstwo w opiece długoterminowej. Kwartalnik międzynarodowy | PIELĘGNIARSTWO W OPIECE DŁUGOTERMINOWEJ. KWARTALNIK MIĘDZYNARODOWY | 2450-8624 |
| Pielęgniarstwo XXI Wieku | | 1730-1912 |
| Pieniadze i Wiez | | |
| Pieniądze i Więź | | 1506-7513 |
| Pieniny Przyroda i Człowiek | | 1230-4751 |
| Pigment & Resin Technology | PIGM RESIN TECHNOL | 0369-9420 |
| Pigment Cell & Melanoma Research | PIGM CELL MELANOMA R | 1755-1471 |
| Pigment Cell Research | PIGM CELL RES | 0893-5785 |
| Pigment Cell Research | | |
| Pilot and Feasibility Studies | PILOT AND FEASIBILITY STUDIES | 2055-5784 |
| Piotrkowskie Zeszyty Historyczne | | 2081-2663 |
| Pirandelliana Rivista Internazionale di Studi E Documenti | | 1971-9035 |
| Pirineos | PIRINEOS | 0373-2568 |
| Pirkanmaan Alta - Arkeologisia Tutkimuksia | | 1458-7467 |
| Pituitary | PITUITARY | 1386-341X |
| Pixel-Bit- Revista de Medios y Educacion | PIXEL-BIT- REVISTA DE MEDIOS Y EDUCACION | 1133-8482 |
| pl.it / rassegna italiana di argomenti polacchi | PL.IT / RASSEGNA ITALIANA DI ARGOMENTI POLACCHI | 2384-9266 |
| Place Branding and Public Diplomacy | PLACE BRANDING AND PUBLIC DIPLOMACY | 1751-8040 |
| Placenta | PLACENTA | 0143-4004 |
| Places | | 0731-0455 |
