TY - GEN AU - Burke-Klein,E TI - Pulmonary function testing procedures. A preliminary study of local occupational health clinics SN - 0891-0162 PY - 1986///0917 KW - Allied Health Personnel KW - standards KW - Humans KW - Occupational Health Services KW - Respiratory Function Tests KW - methods KW - Sampling Studies KW - United States KW - Workforce N1 - Publication Type: Journal Article ER -