TY - GEN AU - Saunders,K B TI - A non-invasive technique to measure shunt fraction SN - 0954-6111 PY - 1994///0127 KW - Humans KW - Oxygen KW - Pulmonary Gas Exchange N1 - Publication Type: Comment; Letter UR - https://doi.org/10.1016/0954-6111(93)90014-q ER -