Haase, E <br/><br/>
The annual reproductive cycle in mallards.  [electronic resource] 

 -  Journal of steroid biochemistry  Jul 1983 
 - 731-7 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, Non-U.S. Gov't 
<br/><br/><label>ISSN: </label>0022-4731 
<br/><br/><label>Standard No.: </label>10.1016/0022-4731(83)90004-3  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Animals<br/>Castration<br/>Cerebellum--metabolism<br/>Ducks--physiology<br/>Female<br/>Follicle Stimulating Hormone--blood<br/>Liver--metabolism<br/>Luteinizing Hormone--blood<br/>Male<br/>Muscles--metabolism<br/>Periodicity<br/>Prolactin--blood<br/>Reproduction<br/>Seasons<br/>Spermatogenesis<br/>Testis--metabolism<br/>Testosterone--metabolism