title: [Collagen content in human placentas depending on the gestational age].
mesh_terms: D003094:Collagen / Q000032:analysis*; D005260:Female; D005865:Gestational Age; D006801:Humans; D006909:Hydroxyproline / Q000032:analysis*; D008722:Methods; D010920:Placenta / Q000032:analysis*; D011247:Pregnancy; D013223:Statistics as Topic; D013997:Time Factors
chemical_list: D003094:Collagen; D006909:Hydroxyproline
vernacular_title: Der Kollagengehalt menschlicher Plazenten in Abhängigkeit vom Schwangerschaftsalter.