TY - GEN AU - HARJOLA,O AU - TOIVONEN,S TI - Finnish experience of the care and use of the clawed frog (Xenopus laevis Daudin) in the diagnosis of pregnancy SN - 0066-2038 PY - 2004///0930 KW - Animals KW - Humans KW - Pregnancy KW - Xenopus KW - Xenopus laevis N1 - Publication Type: Journal Article ER -