Medical radiation exposure of pregnant and potentially pregnant women. - Washington : NCRP, 1977. - iv, 32 p. : tabla, diagr. - Report, no.<54> . - Estados Unidos. National council on radiation protection and measurements . - Report, no.<54> . Recommendations of the NCRP ApĂ©ndice y bibliografĂa: p.14-21 ISBN: 0913392367 ISSN: 0083209X Standard No.: NCRP-REPORT-54 Subjects--Topical Terms: RADIACIONES -EXPOSICION