PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 1995228-13 1991 Vasodilators such as calcium channel blockers and ACE-inhibitors may improve pulmonary hemodynamics acutely, but may lower arterial PO2 by worsening ventilation-perfusion matching or blunt the improvement in pulmonary hemodynamics seen with supplemental oxygen. PO-2 132-135 angiotensin I converting enzyme Homo sapiens 50-53 2850391-0 1988 [A study of level of serum angiotensin I converting enzyme in patients with old and inactive pulmonary tuberculosis--in relation to pulmonary function (PO2,%VC,FEV1.0,%FEV1.0)]. PO-2 152-155 angiotensin I converting enzyme Homo sapiens 27-58