Psychological impact of coronavirus disease 2019 in pregnant women - Saccone, Gabriele; Florio, Alessia; Aiello, Federica; Venturella, Roberta; De Angelis, Maria Chiara; Locci, Mariavittoria; Bifulco, Giuseppe; Zullo, Fulvio; Di Spiezio Sardo, Attilio (American journal of obstetrics and gynecology, 2020)