The objective of this study was to describe the occurrence of neonatal procedural pain and explore the factors that influence the frequency of painful procedures.

中文翻译：

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影响新生儿程序性疼痛发生的因素。

这项研究的目的是描述新生儿程序性疼痛的发生，并探讨影响疼痛性手术频率的因素。