4Celemajer DS.Sorensen K E.Gooth VM.et al.Noninvasive detection of endothelial dysfunction in children and adults at risk of atherose lerosis.Lancet,1992,340:1111-1115.
5Tacusch H W,Martinez A M,Partridge J C,et a 1.Painduring mogen or plastibell circumcision [J]. J perinatol,2002,22(3):214-218.