TY  - RPRT
TI  - [Method of preparing sputum for electron microscopic examination].
AU  - G V Lavrenova
AU  - L N Filippenko
AU  - N I Shevchenko
PY  - 1985
UR  - https://pubmed.ncbi.nlm.nih.gov/2416997/
ID  - 2416997
ER  -