1. How many children?;Cartwright, A.,1976
2. Family Planning Information Service. Fact sheet C2,1984
3. Contraceptive behaviour and fertility patterns in an inner London group practice;Stott, P.C.;J R Coll Gen lract,1980
4. The first three months of free contraception in a market town group practice. J7 R Coll Gen Pract;Davies, G.A.M.; Frankland, J.C.,1976
5. Use effectiveness of the diaphragm in a selected family planning clinic population in the UK;Vessey, M.; Wiggins, P.;Contraception,1974