title: Measurement: the key to exposure with manual techniques.
mesh_terms: D000328:Adult; D001290:Attitude; D005269:Femur / Q000000981:diagnostic imaging; D006801:Humans; D008297:Male; D011829:Radiation Dosage; D011835:Radiation Protection; D011859:Radiography / Q000592:standards; D013679:Technology, Radiologic