NIGAM, V. K.; NIGAM, S. Nigam’s standardization of manual anal dilatation (Lord’s procedure) . International Surgery Journal, [S. l.], v. 10, n. 10, p. 1633–1636, 2023. DOI: 10.18203/2349-2902.isj20232986. Disponível em: https://www.ijsurgery.com/index.php/isj/article/view/9898. Acesso em: 10 nov. 2025.