Journal Article Higher success rate by intracytoplasmic sperm injection than by subzonal insemination. Report of a second series of 300 consecutive treatment cycles Get access André C. Van Steirteghem, André C. Van Steirteghem 1 1To whom correspondence should be addressed Search for other works by this author on: Oxford Academic PubMed Google Scholar Jiaen Liu, Jiaen Liu Search for other works by this author on: Oxford Academic PubMed Google Scholar Hubert Joris, Hubert Joris Search for other works by this author on: Oxford Academic PubMed Google Scholar Zsolt Nagy, Zsolt Nagy Search for other works by this author on: Oxford Academic PubMed Google Scholar Cécile Janssenswillen, Cécile Janssenswillen Search for other works by this author on: Oxford Academic PubMed Google Scholar Herman Tournaye, Herman Tournaye Search for other works by this author on: Oxford Academic PubMed Google Scholar Marie-Paule Derde, Marie-Paule Derde 2Biostatistics Department, Academisch Ziekenhuis VUBLaarbeeklaan 101, B-1090 Brussels, Belgium Search for other works by this author on: Oxford Academic PubMed Google Scholar Elvire Van Assche, Elvire Van Assche 3Centre for Medical Genetics, Academisch Ziekenhuis VUBLaarbeeklaan 101, B-1090 Brussels, Belgium Search for other works by this author on: Oxford Academic PubMed Google Scholar Paul Devroey Paul Devroey Search for other works by this author on: Oxford Academic PubMed Google Scholar Human Reproduction, Volume 8, Issue 7, 1 July 1993, Pages 1055–1060, https://doi.org/10.1093/oxfordjournals.humrep.a138191 Published: 01 July 1993 Article history Received: 02 March 1993 Accepted: 15 April 1993 Published: 01 July 1993