RT Journal Article SR Electronic T1 Textbook of Gynaecology JF Postgraduate Medical Journal JO Postgrad Med J FD The Fellowship of Postgraduate Medicine SP 523 OP 523 DO 10.1136/pgmj.36.418.523-b VO 36 IS 418 YR 1960 UL http://pmj.bmj.com/content/36/418/523.3.abstract AB