@article{yan_luo_xiao_luo_liu_2021,  title={A meta-analysis: association between Beta-2 adrenergic receptor Arg16Gly polymorphism and asthma in China},  volume={41},  ISSN={0101-2061},  url={https://doi.org/10.1590/fst.18520},  DOI={10.1590/fst.18520},  number={3},  journal={Food Science and Technology},  publisher={Sociedade Brasileira de Ciência e Tecnologia de Alimentos},  author={YAN, Li-ping and LUO, Wen-jun and XIAO, Xiao-hui and LUO, Tian-wen and LIU, Hua},  year={2021},  month={Jul},  pages={564–569} }