Expression of the PTCH1 tumor suppressor gene is regulated by alternative promoters and a single functional Gli-binding siteAgren, Marie; Kogerman, Priit; Kleman, Marika I.; Wessling, Martina; Toftgard, RuneGene2004 / p. 101-114 : illhttps://pubmed.ncbi.nlm.nih.gov/15087129/