TY  - RPRT
TI  - Primary pulmonary hypertension.
AU  - S M Factor
AU  - J Reichel
PY  - 1980
DO  - 10.1016/0002-8703(80)90631-6
UR  - https://pubmed.ncbi.nlm.nih.gov/6445679/
ID  - 6445679
ER  -