Schramm, B G <br/><br/>
Steroid levels and reproductive cycle of the Galápagos tortoise, Geochelone nigra, living under seminatural conditions on Santa Cruz Island (Galápagos).  [electronic resource] 

 -  General and comparative endocrinology  Apr 1999 
 - 108-20 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, Non-U.S. Gov't 
<br/><br/><label>ISSN: </label>0016-6480 
<br/><br/><label>Standard No.: </label>10.1006/gcen.1998.7240  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Animals<br/>Corticosterone--blood<br/>Ecuador<br/>Female<br/>Gonadal Steroid Hormones--blood<br/>Male<br/>Radioimmunoassay--veterinary<br/>Reproduction<br/>Seasons<br/>Testosterone--blood<br/>Turtles--blood