S A Walkinshaw, A D G Roberts, James W Cordiner
Walkinshaw S A, Roberts A D G, Cordiner J W.
Human papillomavirus infection of the uterine cervix of women without cytological signs of neoplasia
Br Med J (Clin Res Ed) 1987; 294 :117
doi:10.1136/bmj.294.6564.117-b