TY  - RPRT
TI  - Optimizing sputum methodology.
AU  - E M Erin
AU  - P J Barnes
AU  - T T Hansel
PY  - 2002
DO  - 10.1046/j.1365-2222.2002.01409.x
UR  - https://pubmed.ncbi.nlm.nih.gov/11994085/
ID  - 11994085
ER  -