Young-Jin Lee

Efficacy of Polygonatum sibiricum on Mild Insomnia: A Randomized Placebo-Controlled Trial

Tammy D. Kim, G. Kim, Jungyoon Kim, 2019, Nutrients.

Efficacy of Polygonatum sibiricum on Mild Insomnia: A Randomized Placebo-Controlled Trial

Tammy D. Kim, G. Kim, Jungyoon Kim, 2019, Nutrients.

The Effects of St. John's Wort on Premenstrual Syndrome in Single Women: A Randomized Double-Blind, Placebo-Controlled Study

S. Chun, J. Ryoo, H. Suh, 2010 .