TY  - RPRT
TI  - [A quantitative method for the study on expectoration].
AU  - J RULL
AU  - A TIGYI
AU  - E MIRISZLAI
AU  - M BAUER
PY  - 1962
UR  - https://pubmed.ncbi.nlm.nih.gov/14495245/
ID  - 14495245
ER  -