Basion horizontal coordinate tracing film.
D000293:Adolescent; D002508:Cephalometry / Q000379:methods*; D002648:Child; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D008445:Maxillofacial Development; D011861:Radiography, Dental / Q000379:methods*; D013679:Technology, Radiologic