N. Fujioka

Formation of Stigma-Like Structures and Pigment in Cultured Tissues of Crocus sativus.

K. Yamasaki, H. Kohda, A. Koyama, 1988, Planta medica.

Butenolides from Sinomenium acutum

R. Kasai, K. Yamasaki, H. Otsuka, 1993 .

Studies on the tissue culture of Stevia rebaudiana and its components; (II). Induction of shoot primordia.

K. Yamasaki, R. Tanaka, K. Taniguchi, 1986, Planta medica.

Dammarane and oleanane saponins from callus tissue of Panax japonicus

R. Kasai, K. Yamasaki, Y. Shoyama, 1989 .

Production of Oleanane Saponins by Callus Tissue1 of Panax japonicus.

K. Yamasaki, Y. Shoyama, O. Tanaka, 1989, Planta medica.

Growth and alkaloid production of callus culture induced from Securinega suffruticosa

K. Yagishita, K. Yamasaki, H. Kohda, 1986 .