TY  - RPRT
TI  - CHRONIC BRONCHITIS. SOME RECENT CONCEPTS.
AU  - P K KRISHNANKUTTY
AU  - C S SADASIVAM
AU  - C LAKSHMIKANTHAN
PY  - 1964
UR  - https://pubmed.ncbi.nlm.nih.gov/14178127/
ID  - 14178127
ER  -