Impact Factor
3.45
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.
Published for the Company of Biologists.
Vol. for 2007 also issued on CD-ROM.
Print issues ceased with 2024.
Available also online.
Microfilm. v. 7 (1930)-25 (1948) + Index v. 16-46. 8 microfilm reels : negative ; 35 mm.
Indexes: Vols. 16-46, 1939-67. 1 v.
Vol. 104 (1983)19920824 Notice not published Printed on acid-free paper