Bone mass changes in hens observed in vivo during the egg laying cycle.
D000818:Animals; D015519:Bone Density; D001842:Bone and Bones / Q000502:physiology*; D002645:Chickens; D005260:Female; D010058:Oviposition; D011200:Poultry / Q000502:physiology*
BONE AND BONES/physiology; POULTRY/physiology