The specific U. S. Department of Health and Human Services (HHS) regulations that apply to research with children are known as Subpart D: Additional Protections for Children Involved as Subjects in Research

All research funded by DHHS

Explanation:

The United States department of the Human and Health Services codified the regulations for protection of the human subjects in any research in the code of a federal regulations at the 45 C.F.R. 46, the includes five subparts.

Subpart D deals with the additional protection for the children for all the research work funded by the Department of Human and Health Services.

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