ATAMANALP, S. S.; DISCI, E.; TATAR ATAMANALP, C.; ATAMANALP, R. S. Spontaneous Detorsion of Sigmoid Volvulus in a patient with Nineteen-Volvulus episode history: A rare outcome of an extremely rare clinical entity: Spontaneous Detorsion in Sigmoid Volvulus. Pakistan Journal of Medical Sciences, v. 37, n. 7, 8 Sep. 2021.