Hospital-treated intentional self-poisoning events and in-hospital mortality in Tehran before and during the COVID-19 pandemic

- Hadeiy, Sayed Kaveh; Gholami, Narges; McDonald, Rebecca; Rezaei, Omidvar; Kolahi, Ali-Asghar; Zamani, Nasim; Shamsi-Lahijani, Alireza; Noghrehchi, Firouzeh; Carter, Gregory; Hassanian-Moghaddam, Hossein