YOU , SIHONG, JIANNONG ZHOU, SENQING CHEN, PING ZHOU, JINGHUAN LV, XIAO HAN, and YUJIE SUN. 2010. “PTCH1, a Receptor of Hedgehog Signaling Pathway, Is Correlated With Metastatic Potential of Colorectal Cancer”. Upsala Journal of Medical Sciences 115 (3):169–175. https://doi.org/10.3109/03009731003668316.