TY - JOUR T1 - Migraine day frequency in migraine prevention: longitudinal modelling approaches JO - BMC Medical Research Methodology UR - https://eprints.whiterose.ac.uk/id/eprint/142415 UR - https://doi.org/10.1186/s12874-019-0664-5 PY - 2019/01/23 AU - Di Tanna GL AU - Porter JK AU - Lipton RB AU - Brennan A AU - Palmer S AU - Hatswell AJ AU - Sapra S AU - Villa G ED - DO - DOI: 10.1186/s12874-019-0664-5 PB - BMC VL - 19 Y2 - 2025/11/24 ER -