[A study on reducing radiation dose in dental radiography for children. Part 1. The sheltering effects of lead content rubber sheet and ready-made apron].
D002648:Child; D006801:Humans; D011482:Protective Devices; D011829:Radiation Dosage; D011835:Radiation Protection / Q000295:instrumentation*; D011861:Radiography, Dental; D013961:Thyroid Gland