TY - RPRT TI - A valve ventilator attachment for the bronchoscope. AU - L S Gottlieb AU - D Sayers AU - O J Balchum PY - 1972 DO - 10.1164/arrd.1972.105.4.644 UR - https://pubmed.ncbi.nlm.nih.gov/4502247/ ID - 4502247 ER -