TY  - RPRT
TI  - Progressive systemic sclerosis complicated by diffuse pulmonary haemorrhage.
AU  - J Kallenbach
AU  - I Prinsloo
AU  - S Zwi
PY  - 1977
DO  - 10.1136/thx.32.6.767
UR  - https://pubmed.ncbi.nlm.nih.gov/601743/
ID  - 601743
ER  -