EMBRYO DEVELOPMENT AND CHICK GROWTH IN A HELIUM-OXYGEN ATMOSPHERE.
D000818:Animals; D001272:Atmosphere; D002642:Chick Embryo; D018504:Ecological Systems, Closed; D004463:Ecology; D047108:Embryonic Development; D006128:Growth; D006371:Helium; D008660:Metabolism; D010100:Oxygen; D011200:Poultry; D012106:Research
D006371:Helium; D010100:Oxygen
CHICK EMBRYO; EXPERIMENTAL LAB STUDY; GROWTH; HELIUM; METABOLISM; OXYGEN; POULTRY; SEALED CABIN ECOLOGY