, School of Nursing, Universitas Muhammadiyah Yogyakarta, Yogyakarta, Indonesia, Indonesia
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JKKI : Jurnal Kedokteran dan Kesehatan Indonesia JKKI, Vol 9, No 1, (2018) - Original Article
Comparison the level of Standard Deviation of N-N interval (SDNN) among Adolescent in Non Smokers and Smokers in Yogyakarta
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