T helper 1 response against Leishmania major in pregnant C57BL/6 mice increases implantation failure and fetal resorptions. Correlation with increased IFN-gamma and TNF and reduced IL-10 production by placental cells - Krishnan,L.; Guilbert,L.J.; Wegmann,T.G.; Belosevic,M.; Mosmann,T.R. (J Immunol, 1996)