1g versus 2g Daily Intravenous Ceftriaxone in the Treatment of Community Onset Pneumonia –a propensity score analysis of data from a Japanese multicenter registry - Shinya, Hasegawa; Ryuichi, Sada; Makito, Yaegashi; Konosuke, Morimoto; Takahiro, Mori; Lay-Myint, Yoshida (BMC Infectious Diseases, 2019)