Authors: BHARGAVA H BHATIA JC RAMACHANDRAN L ROHTAGI P SINHA A SAXENA HM SINGH KK SETHI P MATHUR A GUPTA RN SAXENA BN

Citation: H. Bhargava et al., FIELD TRIAL OF BILLINGS OVULATION METHOD OF NATURAL FAMILY-PLANNING, Contraception, 53(2), 1996, pp. 69-74