PTCH1 inactivation is sufficient to cause basaloid follicular hamartoma in paediatric Nevoid basal cell carcinoma syndrome. (8th July 2022) - Blanchard, G.; Yurchenko, A.A.; Pop, O.T.; Weibel, L.; Theiler, M.; Hauser, V.; Fraitag, S.; Guenova, E.; Flatz, L.; Nikolaev, S.I.; Hohl, D.