TY - BOOK ED - Ionization chamber smoke detector meeting ED - United States. TI - Ionization chamber smoke detector meeting: held in Rockville,Maryland January 12,1978 PY - 1979/// CY - Maryland PB - Department of Health, Education and Welfare KW - Radiology KW - Medical KW - Diagnosis N1 - HEW publication (FDA) 80-8101 ER -