IL6 and Pulmonary hemorrhage: Delayed separation of the umbilical cord, rash, conical teeth, hepatosplenomegaly, impaired production of IFN-γ, absent production of IL-17, reduced production of TNF-a and IL-6, stimulated IL-12 production reduced and not significantly rescued by addition of exogenous IFN-γ, massive gastrointestinal and pulmonary hemorrhage