1203449 MAE microwave-assisted extraction 1000 269318 ME microwave-assisted extraction 3 290715 MW microwave-assisted extraction 3 261975 MA microwave-assisted extraction 1 1207118 MAS microwave-assisted extraction 1 1227103 MEA microwave-assisted extraction 1 1229537 MEO microwave-assisted extraction 1 3024951 MICE microwave-assisted extraction 1 3074399 MwAE microwave-assisted extraction 1