TY  - RPRT
TI  - Pulmonary hypertension.
AU  - T Higenbottam
AU  - J Wallwork
PY  - 1987
DO  - 10.1136/bmj.294.6573.705
UR  - https://pubmed.ncbi.nlm.nih.gov/3105701/
ID  - 3105701
ER  -