| #2901 | Problems in anesthesia. -- Hagerstown : Lippincott Williams & Wilkins, 1987-2001. -- ISSN 0889-4698 |
| #2902 | Problemy tuberkuljoza. -- Moskva : Medicina, 1935-2003. -- ISSN 0032-9533 |
| #2903 | ProCare. -- Wien : Springer. -- ISSN 0949-7323 |
| #2904 | Procedia in vaccinology. -- : Elsevir, 2009-. -- ISSN 1877-282X |
| #2905 | Proceedings of the Koninklijke Nederlandse Academie van Wetenschappen, Series C. Biological and medical sciences. -- Amsterdam : North-Holland, 1951-1989. -- ISSN 0023-3374 |
| #2906 | Proceedings of the Koninklijke Nederlandse Akademie van Wetenschappen. -- Amsterdam : North-Holland, 1990-1997. -- ISSN 0924-8323 |
| #2907 | Proceedings of the National Science Council, Republic of China, Part B, Life sciences. -- Taipei : National Science Council, 1984-2001. -- ISSN 0255-6596 |
| #2908 | Proceedings of the Physical Society of London. -- London : Physical Society, 1874-1926. -- ISSN 1478-7814 |
| #2909 | Profi medicína : odborné fórum pracovníků ve zdravotnictví. -- Praha : A 11 s.r.o., 2019-. -- ISSN 2571-252 |
| #2910 | Progrès en urologie. -- Paris : Elsevier Masson, 2000-. -- ISSN 1761-676X |