Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences 

 - New York, USA  JSTOR 
 - On-campus e-Journal under Digital Library Program of Higher Education Commission (HEC) of Pakistan 
<br/><br/><label>ISSN: </label>00-227004 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Philosophical Transactions - Royal Society - London. Series B, Biological Sciences