G. Lawrence

发表

G. Lawrence, R. Fraser, F. Ford, 1988, British journal of obstetrics and gynaecology.

R. J. Parsons, I. Cooke, V. A. Brown, 1982, British journal of obstetrics and gynaecology.

R J Parsons, I D Cooke, R. J. Parsons, 1978, American journal of obstetrics and gynecology.

G. McLatchie, M. Hibberd, P. Lisai, 1989, The British journal of clinical practice.