TY  - RPRT
TI  - Pulmonary function study in old age.
AU  - S K Das
AU  - M S Ali
AU  - M S Kataria
AU  - R Naylor
PY  - 1976
DO  - 10.1185/03007997609109314
UR  - https://pubmed.ncbi.nlm.nih.gov/991617/
ID  - 991617
ER  -