... ,strip 5.CE, FDA and CLIA PPX Propoxyphene One Step Drugs Tests CE, FDA approved and CLIA waived ... with visual development of control and test lines(one line for positive, and both lines for negative ... the visual appearance of control and test lines(one line for negative, and both lines for positive ... trustable test from China!!! PPX Propoxyphene One Step Drugs Tests CE, FDA approved and CLIA waived