[Extraoral radiography: posteroanterior projections of the skull].
D002508:Cephalometry; D005147:Facial Bones / Q000000981:diagnostic imaging; D011859:Radiography; D012886:Skull / Q000000981:diagnostic imaging
Opisthioprosthiai probolikai theseis dia ten aktinologiken meleten tou kraniou aphorosai kai eis ten odontiatriken.