Exogenous female sex steroid hormones and new-onset asthma in women: a matched case–control study. - Zhang, Guoqiang; Basna, Rani; Mathur, Maya B.; Lässer, Cecilia; Mincheva, Roxana; Ekerljung, Linda; Wennergren, Göran; Rådinger, Madeleine; Lundbäck, Bo; Kankaanranta, Hannu; Nwaru, Bright I. (BMC Medicine, 2023)