Gilbert, A N <br/><br/>
Mammary number and litter size in Rodentia: The "one-half rule".  [electronic resource] 

 -  Proceedings of the National Academy of Sciences of the United States of America  Jul 1986 
 - 4828-30 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0027-8424 
<br/><br/><label>Standard No.: </label>10.1073/pnas.83.13.4828  doi