TY - JOUR T1 - Analysing cluster randomised controlled trials using GLMM, GEE1, GEE2, and QIF: results from four case studies JO - BMC Medical Research Methodology UR - http://dx.doi.org/10.1186/s12874-023-02107-z PY - 2023/12/13 AU - Offorha BC AU - Walters SJ AU - Jacques RM ED - DO - DOI: 10.1186/s12874-023-02107-z PB - Springer Science and Business Media LLC VL - 23 IS - 1 SP - 293 Y2 - 2024/09/20 ER -