Citation: Ca. Sidor et Ja. Hopson, GHOST LINEAGES AND MAMMALNESS - ASSESSING THE TEMPORAL PATTERN OF CHARACTER ACQUISITION IN THE SYNAPSIDA, Paleobiology, 24(2), 1998, pp. 254-273
Citation: Ca. Sidor et Dg. Blackburn, EFFECTS OF TESTOSTERONE ADMINISTRATION AND CASTRATION ON THE FORELIMBMUSCULATURE OF MALE LEOPARD FROGS, RANA-PIPIENS, The Journal of experimental zoology, 280(1), 1998, pp. 28-37