An effective deep residual network based class attention layer with bidirectional LSTM for diagnosis and classification of COVID-19. - Pustokhin, Denis A.; Pustokhina, Irina V.; Dinh, Phuoc Nguyen; Phan, Son Van; Nguyen, Gia Nhu; Joshi, Gyanendra Prasad; K., Shankar (Journal of Applied Statistics, 2023)