Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Hisashi Omori and Tadashi Nakashizuka and K. Okabe and S. Yamazaki,Determination of prostaglandins in human saliva by high performance liquid chromatography using a column switching technique,Journal of High Resolution Chromatography,0935-6304,Wiley,1986-08-01,9,,477-479,https://cir.nii.ac.jp/crid/1874242817883960064,https://doi.org/10.1002/jhrc.1240090816