Özyörük, Derya, et al. “Cancer and Constitutional Mismatch Repair Deficiency Syndrome Due to Homozygous MSH 6 Mutation in Children With Café Au Lait Spots and Review of Literature”. The Turkish Journal of Pediatrics, vol. 63, no. 5, Oct. 2021, pp. 893-02, https://doi.org/10.24953/turkjped.2021.05.017.