| #2911 | Progresdent. -- Praha : ART, 1995-. -- ISSN 1211-3859 |
| #2912 | Progress in brain research. -- Amsterdam : Elsevier, 1963-. -- ISSN 0079-6123 print. -- ISSN 1875-7855 online |
| #2913 | Progress in cardiovascular diseases. -- Philadelphia : Saunders, 1958-. -- ISSN 0033-0620 print. -- ISSN 1873-1740 online |
| #2914 | Progress in neuro-psychopharmacology & biological psychiatry. -- New York : Pergamon, 1982-. -- ISSN 0278-5846 print. -- ISSN 1878-4216 online |
| #2915 | Progress in pediatric cardiology. -- Reading : Andover Medical Publishers, 1992-. -- ISSN 1058-9813 print. -- ISSN 1558-1519 online |
| #2916 | Progress in respiration research. -- Basel : Karger, 1969-1994. -- ISSN 0079-6751 |
| #2917 | Progress in respiratory research. -- Basel : Karger, 1997-. -- ISSN 1422-2140 |
| #2918 | Progress in retinal and eye research. -- Oxford : Pergamon, 1994-. -- ISSN 1350-9462 print. -- ISSN 1873-1635 online |
| #2919 | Proktologia. -- Warsaw : Medical Communications, 2000-. -- ISSN 1640-5382 |
| #2920 | Promed komplementär. -- Wien, New York : Springer, 2008-. -- ISSN 1866-5756 print. -- ISSN 1613-7582 online |