TY - RPRT TI - Comparison of two biological aerosol sampling methods. AU - N J Zimmerman AU - P C Reist AU - A G Turner PY - 1987 DO - 10.1128/aem.53.1.99-104.1987 UR - https://pubmed.ncbi.nlm.nih.gov/3548593/ ID - 3548593 ER -