TY - RPRT TI - Developmental pathways: Sonic hedgehog-Patched-GLI. AU - D O Walterhouse AU - J W Yoon AU - P M Iannaccone PY - 1999 DO - 10.1289/ehp.99107167 UR - https://pubmed.ncbi.nlm.nih.gov/10064544/ ID - 10064544 ER -