title: [Ultrastructure and amino acid composition of Natrix natrix eggshells].
mesh_terms: D000596:Amino Acids / Q000032:analysis*; D000818:Animals; D001120:Arginine / Q000032:analysis; D002645:Chickens; D003553:Cystine / Q000032:analysis; D004531:Eggs / Q000032:analysis*; D006639:Histidine / Q000032:analysis; D008566:Membranes; D008854:Microscopy, Electron; D011392:Proline / Q000032:analysis; D012911:Snakes
chemical_list: D000596:Amino Acids; D003553:Cystine; D006639:Histidine; D001120:Arginine; D011392:Proline
vernacular_title: Untersuchungen über Ultrastruktur und Aminosäurenzusammensetzung der Eischalen von Natrix natrix.