TY  - RPRT
TI  - Longitudinal methods for describing the relationship between pulmonary function, respiratory symptoms and smoking in elderly subjects: the Tucson Study.
AU  - D L Sherrill
AU  - M D Lebowitz
AU  - R J Knudson
AU  - B Burrows
PY  - 1993
UR  - https://pubmed.ncbi.nlm.nih.gov/8472823/
ID  - 8472823
ER  -