title: Studies on the egg-drop syndrome.
mesh_terms: D000257:Adenoviridae Infections / Q000209:etiology / Q000662:veterinary*; D000818:Animals; D000259:Aviadenovirus / Q000302:isolation & purification; D002645:Chickens; D004528:Egg Shell; D005260:Female; D010058:Oviposition; D011201:Poultry Diseases / Q000209:etiology*; D013577:Syndrome / Q000662:veterinary