断脐时间、方式对母儿结局的影响.Published in:Shandong Medical Journal, 2015, v. 55, n. 43, p. 51, doi. 10.3969/j.issn.1002-266X.2015.43.019By:石巍;李静;王梦琦;史保珍;刘琰Publication type:Article