1.Objective To discuss low molecular weight heparin sodium injection different part endermic bleeding conditions.

1.探讨海普宁不同部位皮下注射出血比较及理措施。

2.It summarized the mechanism,causes,prevention and nursing measures of patients with endermic induration after intramuscular injection.

2.肌肉注射后皮下硬结产生机制、产生原因及预防和理措施。