@misc{indiciaeab6a7dfa0939, title = {Routine cardiac catheterisation before valvular surgery?}, author = {B D Leckie and D R Richmond}, year = {1982}, doi = {10.5694/j.1326-5377.1982.tb132469.x}, url = {https://pubmed.ncbi.nlm.nih.gov/7144666/}, note = {Source identifier: 7144666} }