TY - RPRT TI - Why intermittent positive pressure when normal inhalations will do? AU - V Chernick AU - M E Avery AU - D J Strieder PY - 1977 DO - 10.1016/s0022-3476(77)80876-7 UR - https://pubmed.ncbi.nlm.nih.gov/327053/ ID - 327053 ER -