TY - GEN AU - Edwards,R TI - Evolution of improved capabilities in spirometric test equipment SN - 0048-7392 PY - 1977///0917 KW - Computers KW - Electronics, Medical KW - Forced Expiratory Flow Rates KW - Humans KW - Lung Volume Measurements KW - instrumentation KW - Spirometry N1 - Publication Type: Journal Article ER -