• Author: Daan, S. D. Damassa C.S. Pittendrigh E. R. Smith
• Title: An effect of castration and testosterone replacement on a circadian pacemaker in mice (Mus musculus)
• Year: 1975
• Reference Type: Journal Article
• Journal/Book Title: Proc Natl Acad Sci U S A
• Volume: 72
• Issue: 9
• Pages: 3744-7
• Date of Publication: Saturday, 20 December 1975