TY - RPRT TI - Selection and lineage specification in the thymus: commitment 4-stalled. AU - Amélie Collins AU - Dan R Littman PY - 2005 DO - 10.1016/j.immuni.2005.07.003 UR - https://pubmed.ncbi.nlm.nih.gov/16039574/ ID - 16039574 ER -