【关键词】新生儿；静脉穿刺；三合一疼痛护理；啼哭；疼痛面容【Key Words】 Newborn ; Venipuncture;Three-in-one pain measurement; Crying;Facies dolorosa中图分类号：R473.72 文献标识码：B DOI： 10.3969/j .i（试读）...