title: Bovine ketosis. I. Occurrence and incidence in herds affected by ketosis in eastern Norway 1967-1968.
mesh_terms: D000138:Acidosis / Q000453:epidemiology / Q000209:etiology / Q000662:veterinary*; D000367:Age Factors; D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000453:epidemiology* / Q000209:etiology; D003611:Dairy Products; D003612:Dairying; D005260:Female; D009664:Norway; D012621:Seasons; D013997:Time Factors