Gunaratne, M.Seneviratne, N.2016-01-142016-01-141992The Ceylon Medical Journal, 37(2)pp.43-45https://dl.nsf.gov.lk/handle/1/20808Medical SciencesGynaecologyAetiologySterilityTherapeuticsSpermatogenesisThe epidemiology of infertility 1976-1988Article