The search strategy was developed by a medical librarian combining the terms false positive results, urine, and substance abuse testing and the generic names of 116 medications. When possible ...
We re-conducted the meta-analyses, using conventional cumulative techniques, to measure how many false positives would have occurred if these meta-analyses had been updated after each new trial. For ...
It is also possible to have a false-negative or false-positive test result. Having more frequent sex with a partner who has chlamydia may increase a person’s risk of contracting it. Despite this ...