TY - GEN AU - Aalaei-Andabili,Seyed Hossein AU - Alavian,Seyed Moayed TI - Principles of meta-analysis should be well understood SN - 1708-0428 PY - 2013///0703 KW - Bariatric Surgery KW - adverse effects KW - Body Mass Index KW - Female KW - Humans KW - Male KW - Obesity, Morbid KW - surgery N1 - Publication Type: Letter; Comment UR - https://doi.org/10.1007/s11695-012-0789-7 ER -