Exogenous sex steroid hormones and asthma in females : protocol for a population-based retrospective cohort study using a UK primary care database
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2018-06
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Citation
Nwaru, B I, Simpson, C R, Soyiri, I N, Pillinger, R, Appiagyei, F, Ryan, D, Critchley, H, Price, D B, Hawrylowicz, C M & Sheikh, A 2018, 'Exogenous sex steroid hormones and asthma in females : protocol for a population-based retrospective cohort study using a UK primary care database', BMJ Open, vol. 8, no. 6, e020075, pp. 1-5. https://doi.org/10.1136/bmjopen-2017-020075