title: The enigma of herd: a comparison of different models to account for group effects in multiple logistic regression analysis.
authors.forename: C R
authors.initials: CR
authors.lastname: Curtis
authors.forename: R H
authors.initials: RH
authors.lastname: Mauritsen
authors.forename: M D
authors.initials: MD
authors.lastname: Salman
authors.forename: H N
authors.initials: HN
authors.lastname: Erb
mesh_terms: D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000453:epidemiology*; D003085:Colic / Q000601:surgery / Q000662:veterinary*; D004716:Endometritis / Q000453:epidemiology / Q000401:mortality / Q000662:veterinary*; D005260:Female; D006734:Horse Diseases / Q000601:surgery*; D006736:Horses; D015233:Models, Statistical; D012044:Regression Analysis; D012984:Software