A method of determining embryonic orientation in the hen's egg.
D000818:Animals; D002645:Chickens; D004531:Eggs / Q000000981:diagnostic imaging*; D004622:Embryo, Mammalian / Q000000981:diagnostic imaging*; D004625:Embryo, Nonmammalian / Q000000981:diagnostic imaging*; D005260:Female; D011859:Radiography
EGGS/radiography; EMBRYO/radiography