Uear Sir, In your Summer issue you invited correspondence "on this highly controversial subject." As basic issues may vary in different geographical locations in so vast a country as the United States, I submit the following as from the area known here as our "far-West." Your questions are answered in accordance with my experience as Superintendent and Medical Director of a State Institution fo...

Product acceptance determinations are practical tools for quality control applications involving quality contract on product orders between the vendor and the buyer. It provides the vendor and the buyer rules for product acceptance to meet the preset product quality requirement. As the rapid advancement of manufacturing technology, more than one quality characteristic must be simultaneously con...

Package insert of pharmaceutical drug is one of the most prioritized information for pharmacists to secure safety of patients. However, the color of character, size, font and so on are various company by company product to product from a viewpoint of visibility. It may be cause a serious accident in case visibility is unclear, although it is the most important information. Moreover, package ins...

When a MIL..STD-lOSD sampling scheme is used for a long period, some lots will be subjected to normal, some to reduced, and some to tightened inspection. This paper provides for several single sampling plans and various quality levels,tthe expected fraction oflots rejected,the expected sample size per lot, and the expected number oflots to be processed before sampling inspection must be discont...

The influence of congenital colour defects on a clinical computer test for equiluminous colour discrimination is studied. Differences in relative spectral sensitivity and changes in colour contrast discrimination are two distinct manifestations of the abnormal genes responsible for congenital red-green defects. The very simple and rapid method of the heterochromatic flicker brightness test acts...