TY - GEN AU - STIMMEL,B F TI - Estrogens SN - 0015-0282 PY - 2000///0701 KW - Body Fluids KW - Contraceptive Agents, Female KW - Estrogens KW - urine KW - Female KW - Humans N1 - Publication Type: Journal Article UR - https://doi.org/10.1016/s0015-0282(16)33309-x ER -