Aqueous Extract of Perilla frutescens var. acuta Relaxes the Ciliary Smooth Muscle by Increasing NO/cGMP Content In Vitro and In Vivo oleh Jaeyong Kim, Huwon Kang, Hakjoon Choi, Ara Jo, Dooi-Ri Oh, Yujin Kim, Sojeong Im, Seul-Gi Lee, Kyeong-In Jeong, Geun-Chang Ryu, Chulyung Choi