A. Horikawa

Determination of digoxin in human serum using stable isotope dilution liquid chromatography/electrospray ionization-tandem mass spectrometry.

K. Shimada, K. Mitamura, Y. Ikeda, 2007, Biological & pharmaceutical bulletin.

Determination of Digitoxin in Human Serum Using Stable Isotope Diluted Liquid Chromatography/Electrospray Ionization‐Tandem Mass Spectrometry

K. Shimada, K. Mitamura, Y. Fujii, 2005 .

Simple method for the determination of choline and acetylcholine by pyrolysis gas chromatography

Y. Maruyama, Y. Hasegawa, M. Kusaka, 1979 .

Interaction of triazolam with desipramine

Y. Maruyama, M. Kusaka, T. Meshi, 1980, Psychopharmacology.

Application of a newly developed electrochemical detector for liquid chromatography to the assay of brain catecholamines.

Y. Maruyama, K. Munekiyo, M. Kusaka, 1978, Progress in neuro-psychopharmacology.