[The aluminum filter for soft tissue profile in roentogenographic cephalometry].
D000535:Aluminum; D002508:Cephalometry; D005145:Face; D005147:Facial Bones; D005374:Filtration; D011861:Radiography, Dental / Q000295:instrumentation*; D012886:Skull / Q000000981:diagnostic imaging*; D013679:Technology, Radiologic / Q000295:instrumentation*
D000535:Aluminum