TY - RPRT TI - Reduced thymocyte development in sonic hedgehog knockout embryos. AU - Divya K Shah AU - Ariadne L Hager-Theodorides AU - Susan V Outram AU - Susan E Ross AU - Alberto Varas AU - Tessa Crompton PY - 2004 DO - 10.4049/jimmunol.172.4.2296 UR - https://pubmed.ncbi.nlm.nih.gov/14764698/ ID - 14764698 ER -