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5. An outline of the infectious exchange of 1492. Guerra F Acta Belg Hist Med; 1992 Dec; 5(4):192-8. PubMed ID: 11623124 [No Abstract] [Full Text] [Related]
6. Essay review: Spanish science and the New World. Beddall BG J Hist Biol; 1983; 16(3):433-40. PubMed ID: 11611405 [No Abstract] [Full Text] [Related]
7. [Not Available]. Guerra F Asclepio; 1986; 38():117-37. PubMed ID: 11612111 [No Abstract] [Full Text] [Related]