TY  - RPRT
TI  - Clinical primary pulmonary hypertension: three pathologic types.
AU  - W D Edwards
AU  - J E Edwards
PY  - 1977
DO  - 10.1161/01.cir.56.5.884
UR  - https://pubmed.ncbi.nlm.nih.gov/912851/
ID  - 912851
ER  -