肝内胆管结石、肝内钙化灶、肝内管壁钙化超声鉴别诊断及临床意义
Published in 中华医学写作杂志 • Jan 1, 2001
Authors:,
李欣松
王吉君
Abstract
Indoleamine 2,3 dioxygenase (IDO) activity during pregnancy protects developing fetuses from maternal immune responses in CBA mice. We show here that fetal allografts were rejected only in mating combinations where paternally inherited tissue antigens elicited potent maternal T cell responses after ...
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