TY - JOUR AU - Amsen, D.; Spilianakis, C.G.; Flavell, R.A TI - How are T(H)1 and T(H)2 effector cells made? JO - Curr Opin Immunol VL - 21 PY - 2009 DO - 10.1016/j.coi.2009.03.010 L3 - PubMed-ID: 19375293 SP - 153 EP - 160. ER -