Yang, R. .; Li, D. . RETRACTED: Multichannel Attention Mechanisms Fusion Based on Gate Recurrent Unit Memory Network for Fine-Grained Image Classification [EAI Endorsed Scal Inf Syst (2022), Online First]. EAI Endorsed Scal Inf Syst 2022, 9 (4), e31. https://doi.org/10.4108/eai.8-4-2022.173792.