Online Public Access Catalogue (OPAC)Library,Documentation and Information Science Division
“A research journal serves that narrow
borderland which separates the known from the unknown”
-P.C.Mahalanobis
100 SD:610.621 WHO.TR.360 73034
World Health Organisation(WHO) Biology of fertility control by periodic abstinence: report of a WHO scientific group/ WHO - Geneva: WHO, 1967 20p. 24cm. - (World Health Organisation Technical Report Series; No.360 ) * Sexual abstinence - FAO - WHO * Series