Fixed dose combination of low dose pregabalin and duloxetine, or pregabalin monotherapy for neuropathic pain: A double-blind, randomized, parallel-group study [version 1; peer revi... oleh Sunil Dutt, Pankaj Rattan, Ankit Dadhania, Pankaj Jha, Krishnaprasad K., Ashutosh Kakkad, Altaf Makwana, Ram Gupta, Deepa Joshi