TY - RPRT TI - A portable, adjustable forced vital capacity simulator for routine spirometer calibration. AU - H W Glindmeyer AU - S T Anderson AU - R G Kern AU - J Hughes PY - 1980 DO - 10.1164/arrd.1980.121.3.599 UR - https://pubmed.ncbi.nlm.nih.gov/7416587/ ID - 7416587 ER -