00493cam a2200121 a 450005000150000024500450001526000450006030000210010550001820012665000200030865000180032870000250034600aHQ766 198900aNatural family planning :ba Good option  aWashington, D.C. :bIFFLP/FIDAF,cc1984.  a202 p. :bill. ;  aBased on the proceedings of a 3 day seminar held in Hong Kong in November 1983 during the Third International Congress of the International Federation for Family Life Promotion. 0aFamily planning 0aContraception1 aLanctôt, Claude A.