TY  - RPRT
TI  - Update on sputum methodology.
AU  - O Holz
AU  - J Kips
AU  - H Magnussen
PY  - 2000
DO  - 10.1034/j.1399-3003.2000.16b26.x
UR  - https://pubmed.ncbi.nlm.nih.gov/10968514/
ID  - 10968514
ER  -