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Ann Pediatr Endocrinol Metab > Volume 23(1); 2018 > Article
Lee, Yang, Chueh, Park, and Yoo: The effect of first nocturnal ejaculation timing on risk and sexual behaviors of Korean male adolescents
Ann Pediatr Endocrinol Metab 2017 Mar;22(1):43-48.
In this article, the ethical statement was omitted unintentionally. The ethical statement should be added as follows:

Ethical statement

IRB approval was exempted according to the “Enforcement rule of bioethics and safety act” available from: http://www.law.go.kr/LSW/lsInfoP.do?lsiSeq=184877#0000. National authorized statistical number of Korean Government was 117058 (2005.09.30). Subjects who agreed in participation were included for the survey.


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