Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Matsuoka Masayuki and Hosomi Ritsuko and Maki Teruo and Banno Kiyoshi and Sato Tadashi,Determination of ritipenem in human plasma and urine by high performance liquid chromatography,Japanese Journal of Chemotherapy,1340-7007,Japanese Society of Chemotherapy,1995,43,Supplement3,91-96,https://cir.nii.ac.jp/crid/1390282681262999040,https://doi.org/10.11250/chemotherapy1995.43.supplement3_91