Weaver, D R <br/><br/>
Definition of a prenatal sensitive period for maternal-fetal communication of day length.  [electronic resource] 

 -  The American journal of physiology  Dec 1987 
 - E701-4 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, P.H.S. 
<br/><br/><label>ISSN: </label>0002-9513 
<br/><br/><label>Standard No.: </label>10.1152/ajpendo.1987.253.6.E701  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Age Factors<br/>Animals<br/>Cricetinae<br/>Female<br/>Light<br/>Male<br/>Maternal-Fetal Exchange<br/>Melatonin--physiology<br/>Periodicity<br/>Pineal Gland--physiology<br/>Pregnancy<br/>Seasons<br/>Sexual Maturation<br/>Testis--embryology