TY - GEN AU - Holland,J AU - Milic-Emili,J AU - Macklem,P T AU - Bates,D V TI - Regional distribution of pulmonary ventilation and perfusion in elderly subjects SN - 0021-9738 PY - 2010///0629 N1 - Publication Type: Journal Article UR - https://doi.org/10.1172/JCI105717 ER -