Principles of meta-analysis should be well understood.
Seyed Hossein
SH
Aalaei-Andabili
Seyed Moayed
SM
Alavian
D050110:Bariatric Surgery / Q000009:adverse effects* / Q000379:methods*; D015992:Body Mass Index; D005260:Female; D006801:Humans; D008297:Male; D009767:Obesity, Morbid / Q000601:surgery*