Brown, D B <br/><br/>
Use of Xenopus laevis frog egg extract in diagnosing human male unexplained infertility.  [electronic resource] 

 -  The Yale journal of biology and medicine   
 - 29-38 p.  digital 
<br/><br/> Publication Type: Case Reports; Journal Article 
<br/><br/><label>ISSN: </label>0044-0086 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Animals<br/>Cell Extracts--pharmacology<br/>Female<br/>Fertility--physiology<br/>Humans<br/>Infertility, Male--diagnosis<br/>Male<br/>Ovum--chemistry<br/>Sperm Maturation--drug effects<br/>Sperm Motility--drug effects<br/>Xenopus laevis