TY  - RPRT
TI  - Quantitative bacterial air tests--a potential source of error.
AU  - J M Levey
AU  - R Bradbury
PY  - 1991
DO  - 10.1016/0195-6701(91)90181-7
UR  - https://pubmed.ncbi.nlm.nih.gov/1674263/
ID  - 1674263
ER  -