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Original Article
A Study on Menarchel Age and Monthly Incidence of School Girls in Ansan
Hyung Seok Kim, Jae Yong Kim, Young Kyu Shin, Sang Hee Park, Young Chang Tockgo
Clin Exp Pediatr. 1997;40(4):458-463.   Published online April 15, 1997
Purpose : Menarche is an important life event, making the transition from childhood to early womanhood. It is a significant physical and physiological event that adolescent girls feel sexual identity and it affects on psychological development. The onset of menstruation is considered a practical indication of sexual maturity in girls. On a population level, mean menarcheal age is considered to...
Doppler Analysis of Renal Blood Flow in Normal Children
Hyun Joo Kwak, Jae Yong Kim, Kee Hwan Yoo, Young Sook Hong, Joo Won Lee
Clin Exp Pediatr. 1995;38(3):328-338.   Published online March 15, 1995
Purpose : Recent development in ultrasonic Doppler instrumentation have allowed the direct noninvasive assessment of human renal artery blood flow. The authors conducted this study to assess noninvasive characterization of normal renal artery blood flow variables hopping to establish standards in normal children. Methods : A total 97 normal Subjects(below the age 3 years) were examinated using by 2-D and...