Idiopathic achalasia corrected by Heller Cardiomyotomy associated with Toupet Valvuloplasty: case report. Acervo Saúde [Internet]. 2021 Sep. 28 [cited 2026 Nov. 3];13(9):e7765. Available from: https://acervomais.com.br/saude/article/view/7765