TY  - RPRT
TI  - Unexpected expectoration.
AU  - M Sundaresan
AU  - A B Price
PY  - 1988
DO  - 10.1136/jcp.41.5.596-a
UR  - https://pubmed.ncbi.nlm.nih.gov/3384990/
ID  - 3384990
ER  -