title: Polar bear milk. 3. Gel-electrophoretic studies of protein fractions isolated from polar bear milk and human milk.
mesh_terms: D000818:Animals; D002335:Carnivora; D002417:Cattle; D004586:Electrophoresis; D005782:Gels; D006801:Humans; D007782:Lactoglobulins / Q000032:analysis*; D008892:Milk / Q000032:analysis*
chemical_list: D005782:Gels; D007782:Lactoglobulins