TY - GEN AU - Fernandes,M AU - Fernandes,R TI - ["Nonmophasic" method a variation of the sequential method] SN - 0034-7264 PY - 1969///0919 KW - Cervix Mucus KW - drug effects KW - Contraceptive Agents KW - administration & dosage KW - Female KW - Humans KW - Libido KW - Menstruation Disturbances KW - chemically induced KW - Time Factors N1 - Publication Type: Journal Article ER -