1. The prevalence of intermittent digital ischaemia (Raynaud's phenomenon) in a general practice;Heslop;J R Coll Gen Pract,1983
2. Prevalence of primary Raynaud phenomena in young females;Olsen;Scand J Clin Lab Invest,1978
3. Raynaud's phenomenon of occupational origin;Taylor;Acta Chir Scand,1976
4. Birth Counts, Statistics of Pregnancy and Childbirth;MacFarlene,1984
5. Population study of causes, treatment and outcome of infertility;Hull;Br Med J,1985