STUDIES ON ANTIGENIC DIFFERENTIATION IN THE EMBRYONIC  DEVELOPMENT OF RANA TEMPORARIA L. II. RING TEST.
D000818:Animals; D000941:Antigens; D001001:Anura; D004622:Embryo, Mammalian; D004625:Embryo, Nonmammalian; D007106:Immune Sera; D005779:Immunodiffusion; D011233:Precipitin Tests; D011506:Proteins / Q000378:metabolism*; D011896:Rana temporaria; D012106:Research
D000941:Antigens; D007106:Immune Sera; D011506:Proteins
ANTIGENS; EMBRYO; EXPERIMENTAL LAB STUDY; FROGS; GEL DIFFUSION TESTS; IMMUNE SERUMS; PRECIPITIN TESTS; PROTEIN METABOLISM