Back to matchesWe found a matchYour institution may have rights to this item. Sign in to continue.TitleAuthor's reply.AuthorsLao, T. T.PublicationBJOG: An International Journal of Obstetrics & Gynaecology, 1990, Vol 97, Issue 9, p863ISSN1470-0328Publication typeArticleDOI10.1111/j.1471-0528.1990.tb02589.x