ANGULO-FERNANDEZ, Kevyn; OLIVERA-ROJAS, Adrian; MOUGENOT, Benoît  and  HERRERA-ANAZCO, Percy. Association between symptoms of COVID-19 infection and adverse maternal-perinatal outcomes in pregnant women at a referral hospital. Rev. perú. med. exp. salud publica [online]. 2023, vol.40, n.1, pp.34-41.  Epub Mar 28, 2023. ISSN 1726-4634.