TY - GEN AU - Nassr,N AU - Farker,K AU - Lautenschlager,M AU - Nagel,U AU - Zimmermann,H AU - Mellinger,U AU - Hoffmann,A TI - Bioavailability study with 2 different levonorgestrel-containing drugs in women SN - 0946-1965 PY - 1997///0610 KW - Absorption KW - Administration, Oral KW - Adult KW - Analysis of Variance KW - Biological Availability KW - Cross-Over Studies KW - Female KW - Germany KW - Half-Life KW - Humans KW - Isotope Labeling KW - Levonorgestrel KW - administration & dosage KW - Progesterone Congeners KW - Radioimmunoassay KW - Reference Standards KW - Therapeutic Equivalency N1 - Publication Type: Clinical Trial; Journal Article; Randomized Controlled Trial ER -