No.	Author	Title	Journal	Vol / No.	Page	Year
1	Yoshiaki Ohtsu, Takehisa Matsumaru, Masataka Katashima, Masaaki Kakehi, Hiroyuki Kakuo, Takayoshi Suzuki, Masanari Mabuchi, Ryosuke Nakamura, Takahiro Nakamura, Noriko Katori, Seiji Tanaka, Yoshiro Saito	Biomarker assay validation for clinical trials: a questionnaire survey for the pharmaceutical companies in Japan	Bioanalysis	11(2)	55-60	2018