PT - JOURNAL ARTICLE AU - Croft, Barbara Y. TI - Radiation Protection—Concepts and Trade Offs DP - 1981 Apr 01 TA - Journal of Nuclear Medicine PG - 397--397 VI - 22 IP - 4 4099 - http://jnm.snmjournals.org/content/22/4/397.1.short 4100 - http://jnm.snmjournals.org/content/22/4/397.1.full SO - J Nucl Med1981 Apr 01; 22