* weak opioid group: tramadol, tramadol additionally AAP, and AAP in addition codeine had been merged as a single weak opioid team Tramadol is a centrally performing synthetic opioid analgesic, and is considered a weak opioid resulting from its relatively minimal affinity for µ-opioid receptor, the primary goal for classic https://garryn973vwx1.blogchaat.com/profile