TY - GEN AU - KANDRAC,M AU - KOSTIR,J AU - KASPAROVA,J AU - TICHY,J TI - [Reduction of progesterone in the organism. II. Methyl ketones (pregnenolones) in pregnancy] SN - 0008-7335 PY - 2003///0501 KW - Female KW - Ketones KW - Pregnancy KW - urine KW - Pregnenolone KW - Progesterone KW - Urine N1 - Publication Type: Journal Article ER -