Impact Factor
3.23
Estimated influence, citation density, publishing volume, and citation integrity from the analytics table.
Volume, recency, access pattern, and citing-community signals from the journal analytics record.
Recent article records with DOI-first linking and condensed abstracts.
Title from cover.
Table of contents and abstracts, instructions to authors, subscription and other information available via the Internet.
Supplements accompany some vols.
Also issued online.
Also issued on microfiche and microfilm by University Microfilms Inc.
Issues for Mar.-Oct. 1995 include: Molecular human reproduction, v. 1, no. 1-8, later issued separately, 1996- .