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16. Problems of a new medical and pharmaceutical print collection. Helfand WH Veroff Int Ges Gesch Pharm; 1972; 38():143-55. PubMed ID: 11609482 [No Abstract] [Full Text] [Related]
17. Jordan's memorial of medicine and pharmacy (A.D. 533). Hamarneh SK Hamdard Med; 1990; 33(3):15-26. PubMed ID: 11614007 [No Abstract] [Full Text] [Related]
18. Historical images of the drug market--IX. Helfand WH Pharm Hist; 1986; 28(1):55. PubMed ID: 11611869 [No Abstract] [Full Text] [Related]