title: A study of the progressive deposition of shell in the shell gland of the domestic hen.
mesh_terms: D000818:Animals; D002645:Chickens / Q000502:physiology*; D004528:Egg Shell / Q000032:analysis; D005260:Female; D010057:Oviducts / Q000378:metabolism*; D010058:Oviposition; D013997:Time Factors