R. Porter

发表

D. Taylor-Robinson, P. Munday, J. Carder, 1984, British journal of obstetrics and gynaecology.

G. Stirrat, R. Porter, G. M. Stirrat, 1986, British journal of obstetrics and gynaecology.

R. Porter, 2006, BJOG : an international journal of obstetrics and gynaecology.