@book{ BA03658391, author = "International Symposium on Quality Control", title = "The 6th International Symposium on Quality Control-Osaka, June 13 and 14, 1987, Kyoto International Conference Hall", publisher = "Excerpta Medica", year = "1988", series = "Current clinical practice series", number = "no. 47", URL = "https://ci.nii.ac.jp/ncid/BA03658391" }