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Science (New York, N.Y.)|November 20, 1973
Ontogeny and peripheralization of thymic lymphocytesJ B Turpen, E P Volpe, N Cohen
Science (New York, N.Y.)|December 12, 1975
Thymus: central role in the immune system of the frogE P Volpe, J B Turpen
Annales D'Immunologie|November 1, 1976
Thymus: primary site of lymphopoiesisE P Volpe, J B Turpen
Annales D'Immunologie|November 1, 1976
Alternate sites of lymphopoiesis in the amphibian embryoJ B Turpen, N Cohen
Developmental and Comparative Immunology|August 13, 1998
Induction and early development of the hematopoietic and immune systems in XenopusJ B Turpen
Journal of Immunology (Baltimore, Md. : 1950)|December 1, 1989
Location of hemopoietic stem cells influences frequency of lymphoid engraftment in Xenopus embryosJ B Turpen, P B Smith
Differentiation; Research in Biological Diversity|January 1, 1979
Experimental studies on hemopoiesis in the pronephros of Rana pipiensK L Carpenter, J B Turpen
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