Association between complement system, pulmonary fibrosis, and ABO system gene variants and COVID-19 severity and susceptibility: a Moroccan case–control study. - El Yousfi, Fatima-Zahra; Nebhani, Chaimae; Ghammaz, Hamza; Benmansour, Reda; Skhoun, Hanaa; Ennibi, Khalid; Belayachi, Jihane; Abouqal, Redouane; El Baghdadi, Jamila; Bouhouche, Ahmed (Egyptian Journal of Medical Human Genetics, 2025)