TY - GEN AU - SCHMIDT-ELMENDORFF,H R AU - MASCHKE,C R TI - [Hormonal pregnancy test with the male toad Bufo bufo L..] SN - 0025-8458 PY - 2004///0215 KW - Animals KW - Bufo bufo KW - Female KW - Humans KW - Pregnancy Tests N1 - Publication Type: Journal Article ER -