Confined flow behaviour of droplets in microcapillary flow Rosa D’Apolito, Valentina Preziosi, Sapana Khati Chhetri, Giovanna Tomaiuolo and Stefano Guido Eur. Phys. J. E, 42 3 (2019) 29 Published online: 18 March 2019 DOI: 10.1140/epje/i2019-11790-2