@misc{indiciae8e79e3104f38, title = {[Quadricuspid aortic valve].}, author = {G A Kosach and A Evzhanov and V I Serbin and G A Zubkova and Z A Tadzhibaeva}, year = {1982}, url = {https://pubmed.ncbi.nlm.nih.gov/7077918/}, note = {Source identifier: 7077918} }