| #2211 | PCA-Journal. -- Heidelberg : Springer, 1986-1999. -- ISSN 0930-1119 |
| #2212 | PCR methods and applications. -- Cold Spring Harbor : Cold Spring Harbor Laboratory, 1991-1995. -- ISSN 1054-9803 |
| #2213 | PDA journal of pharmaceutical science and technology. -- Bethesda : PDA Press, 1994-. -- ISSN 1079-7440 |
| #2214 | Pediatria : Recenzovaný, postgraduálne zameraný odborný lekársky časopis. -- Bratislava : Samedi, 2006-. -- ISSN 1336-863X |
| #2215 | Pediatria Polska. -- Wrocław : Urban & Partner, 1921-. -- ISSN 0031-3939 |
| #2216 | Pediatria prática. -- São Paulo : Sociedade de Pediatria de São Paulo, 1928-1980. -- ISSN 0031-3947 |
| #2217 | Pediatric allergy and immunology. -- Oxford : Blackwell Publishing, 1990-. -- ISSN 0905-6157 print. -- ISSN 1399-3038 online |
| #2218 | Pediatric annals. -- Thorofare : Slack, 1972-. -- ISSN 0090-4481 print. -- ISSN 1938-2359 online |
| #2219 | Pediatric asthma, allergy & immunology. -- New York : Mary Ann Liebert, 1987-. -- ISSN 0883-1874 |
| #2220 | Pediatric cardiology. -- Berlin : Springer, 1979-. -- ISSN 0172-0643 print. -- ISSN 1432-1971 online |