Pikkarainen, J <br/><br/>
Comparative chemistry of collagen.  [electronic resource] 

 -  Nature  Aug 1969 
 - 839-41 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0028-0836 
<br/><br/><label>Standard No.: </label>10.1038/223839a0  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Amino Acids--analysis<br/>Animals<br/>Biological Evolution<br/>Cattle<br/>Chickens<br/>Collagen--analysis<br/>Fishes<br/>Imines--analysis<br/>Mammals<br/>Serine--analysis<br/>Species Specificity<br/>Threonine--analysis