Protection in nuclear medicine and ultrasound diagnostic procedures in children. - Bethesda, Md. : NCRP, 1983. - v, 81 p. : tabla - Report, no.<73> . - Estados Unidos. National council on radiation protection and measurements . - Report, no.<73> . Recommendations of the NCRP ApĂ©ndices y bibliografĂa: p.31-64 ISBN: 0913392634 ISSN: 0083209X Standard No.: NCRP-REPORT-73 Subjects--Topical Terms: RADIACIONES -PROTECCIONRADIODIAGNOSTICOPEDIATRIAULTRASONIDO