title: Calcium deficiency in wild birds.
authors.affiliation: Institute for Forestry and Nature Research, Wageningen, The Netherlands.
authors.forename: J
authors.initials: J
authors.lastname: Graveland
mesh_terms: D015258:Acid Rain / Q000009:adverse effects; D000818:Animals; D001715:Bird Diseases / Q000453:epidemiology* / Q000209:etiology / Q000473:pathology; D001717:Birds; D001842:Bone and Bones / Q000737:chemistry / Q000473:pathology; D002118:Calcium / Q000032:analysis / Q000172:deficiency*; D003677:Deficiency Diseases / Q000453:epidemiology / Q000209:etiology / Q000662:veterinary*; D004528:Egg Shell / Q000737:chemistry; D009426:Netherlands / Q000453:epidemiology
chemical_list: D015258:Acid Rain; D002118:Calcium