Clinicaltrials.gov was looked for registered research protocols. The keywords and phrases “palmitoylethanolamide” and “ache” resulted in 13 entries, of which 3 have been done. None of them fulfilled our eligibility conditions. Affected person created a cough early on from the study. The cough continued right after PEA was stopped, https://andersonkicwo.blogdanica.com/30597871/palmitoylethanolamide-for-dummies