PT - JOURNAL ARTICLE AU - Mostafa, Abul B. AU - Childs, Peter O. AU - Williams, Nigel R. AU - Causer, David A. TI - Regional Pulmonary Distribution of Krypton-81m Gas Delivered by Different Breathing Systems DP - 1985 Feb 01 TA - Journal of Nuclear Medicine PG - 191--193 VI - 26 IP - 2 4099 - http://jnm.snmjournals.org/content/26/2/191.short 4100 - http://jnm.snmjournals.org/content/26/2/191.full SO - J Nucl Med1985 Feb 01; 26