@article{alexander_2011,  title={Can studies where subjects have different follow-up times be analysed through binomial regression?},  volume={106},  ISSN={0074-0276},  url={https://doi.org/10.1590/S0074-02762011000500021},  DOI={10.1590/S0074-02762011000500021},  number={5},  journal={Memórias do Instituto Oswaldo Cruz},  publisher={Instituto Oswaldo Cruz, Ministério da Saúde},  author={Alexander, Neal},  year={2011},  month={Aug},  pages={639–639} }