A note on the pulsatile flow of hydromagnetic Eyring–Powell nanofluid through a vertical porous channelP. Bharath Kumar and Srinivas SuripeddiEur. Phys. J. Spec. Top., 230 5 (2021) 1465-1474DOI: https://doi.org/10.1140/epjs/s11734-021-00057-5