Effectiveness of surgical, KF94, and N95 respirator masks in blocking SARS-CoV-2: a controlled comparison in 7 patients

Chromogranin A Expression in Rectal Neuroendocrine Tumors Is Associated With More Aggressive Clinical Behavior and a Poorer Prognosis

Characteristics of a new respiratory syndrome associated with use of humidifier disinfectant: humidifier disinfectant-related respiratory syndrome (HDRS).