McDONALD, L E <br/><br/>
The effects of prepartum administration of progesterone to the cow.  [electronic resource] 

 -  American journal of veterinary research  Jan 1958 
 - 97-8 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0002-9645 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Animals<br/>Cattle<br/>Female<br/>Labor, Obstetric<br/>Pregnancy--physiology<br/>Progesterone--pharmacology