TY - RPRT TI - External high-frequency oscillation for hypercapnia after upper abdominal surgery. AU - S Takeda AU - K Nakanishi AU - T Takano AU - J Nejima AU - M Takayama AU - A Sakamoto AU - R Ogawa PY - 1997 DO - 10.1272/jnms1923.64.440 UR - https://pubmed.ncbi.nlm.nih.gov/9366148/ ID - 9366148 ER -