TY  - RPRT
TI  - Pneumonia in the elderly.
AU  - E W Ely
AU  - E F Haponik
PY  - 1991
DO  - 10.1097/00005382-199107000-00007
UR  - https://pubmed.ncbi.nlm.nih.gov/1861274/
ID  - 1861274
ER  -