LawsonJ. G.: Cancer of the uterine cervix: An enquiry into predisposing factors with special reference to earlier diagnosis.J. Obstet. Gynaec. Br. Commonw., 64: 488–497, 1957.
7.
MacgregorJ. E., FraserM. E., MannE. M. F.: Improved prognosis of cervical cancer due to comprehensive screening.Lancet, 1: 74–76, 1971.
8.
Registrar General. Annual Reports for Scotland.H. M. Stationary Office, Edinburgh, 1973.
9.
SternR.: Study of cancer deaths in Verona. Giornali per Servire al Progresso della Patologica e della Terapeutica.Serie 2,2, 507, 1842.
10.
WakefieldJ.: The family doctor and cervical cytology.Health Trends, 3: 25–29, 1971.
11.
WynderE. L., CornfieldJ., SchroffP. D., DoriaswamiK. R.: A study of environmental factors in carcinoma of the cervix.Am. J. Obstet. Gynec., 68: 1016–1020, 1954.