Conventional rigid 2D substrates cause complex contractile signals in monolayers of human induced pluripotent stem cell-derived cardiomyocytes. - Huethorst E; Mortensen P; Simitev RD; Gao H; Pohjolainen L; Talman V; Ruskoaho H; Burton FL; Gadegaard N; Smith GL (The Journal of physiology, 2022)