In comparative studies, trefentanil was slightly more potent and shorter acting than alfentanil as an analgesic, but induced significantly more severe respiratory depression.
But the report hasn't marinated well during the past two weeks, attracting increasing criticism from scientists for its dubious conclusiveness and lack of substantiation.
But heavy rain can turn to torrents sluicing off sun-baked desert or pavement into miles of flood channels constructed to protect homes and businesses.
Produce and other basic staples are still offered, but other items are far more likely to be manufactured items such as electronics, name brand clothing and other wares.
