@article{pereira_lira_bacelar_oliveira_carvalho_2015,  title={Seasonal variation of haemoglobin A1c in a Portuguese adult population},  volume={59},  ISSN={2359-3997},  url={https://doi.org/10.1590/2359-3997000000043},  DOI={10.1590/2359-3997000000043},  number={3},  journal={Archives of Endocrinology and Metabolism},  publisher={Sociedade Brasileira de Endocrinologia e Metabologia},  author={Pereira, Maria Teresa Rocha e Pinho and Lira, Domingos and Bacelar, Conceição and Oliveira, José Carlos and Carvalho, André Couto de},  year={2015},  month={Jun},  pages={231–235} }