TY  - RPRT
TI  - Serial pulmonary function tests in progressive systemic sclerosis.
AU  - L R Bagg
AU  - D T Hughes
PY  - 1979
DO  - 10.1136/thx.34.2.224
UR  - https://pubmed.ncbi.nlm.nih.gov/483189/
ID  - 483189
ER  -