@misc{indiciae5d7b9d621ee3, title = {Pulmonary valvotomy: an alternative method.}, author = {B F Akl and J F Neal and S M Yabek and W Berman}, year = {1981}, doi = {10.1016/s0003-4975(10)61785-7}, url = {https://pubmed.ncbi.nlm.nih.gov/7305535/}, note = {Source identifier: 7305535} }