Regular Contribution
Physician Distribution by Specialty and Practice Setting: Findings in Japan in 2000, 2010 and 2016 Ryo Ikesu, Atsushi Miyawaki and Yasuki Kobayashi [PDF]	Vol. 251, No. 1 pp.1-8, 2020
Subcutaneous Tocilizumab Is Effective for Treatment of Elderly- Onset Rheumatoid Arthritis Naoki Kondo, Junichi Fujisawa and Naoto Endo [PDF]	Vol. 251, No. 1 pp.9-18, 2020
Preceding Poor Physical Function Is Associated with New-Onset Musculoskeletal Pain among Older Natural Disaster Survivors: A Longitudinal Study after the Great East Japan Earthquake Yutaka Yabe, Yoshihiro Hagiwara, Takuya Sekiguchi, Yumi Sugawara, Masahiro Tsuchiya, Shinichirou Yoshida, Yasuhito Sogi, Toshihisa Yano, Takahiro Onoki, Tadahisa Takahashi, Jun Iwatsu, Ichiro Tsuji and Eiji Itoi [PDF]	Vol. 251, No. 1 pp.19-26, 2020
Protease Inhibitors: Candidate Drugs to Inhibit Severe Acute Respiratory Syndrome Coronavirus 2 Replication Mutsuo Yamaya, Hidekazu Nishimura, Xue Deng, Akiko Kikuchi and Ryoichi Nagatomi [PDF]	Vol. 251, No. 1 pp.27-30, 2020
Differences in the Magnitude of Motor Skill Acquisition and Interlimb Transfer between Left- and Right-Handed Subjects after Short-Term Unilateral Motor Skill Practice Yi Fan Wang, Jun Zhao, Janos Negyesi and Ryoichi Nagatomi [PDF]	Vol. 251, No. 1 pp.31-37, 2020
Higher Incidence of Syphilis among Patients with HIV Infection: Population Study using Surveillance Data of Tokyo, Japan Yoshiyuki Sugishita, Junko Kurita, Tamie Sugawara and Yasushi Ohkusa [PDF]	Vol. 251, No. 1 pp.39-46, 2020
Perspective
COVID-19 Waves: Importance of Accumulative Mortality per Million Inhabitants Carlos A. Delgado, Roberto Shimabuku and Pamela M. Chiroque-Solano [PDF]	Vol. 251, No. 1 pp.47-49, 2020
Regular Contribution
Association between Adult Height and Risk of Lung Cancer Incidence among Japanese Men: The Miyagi Cohort Study Masatoshi Mugikura, Yumi Sugawara, Yasutake Tomata, Seiki Kanemura, Akira Fukao and Ichiro Tsuji [PDF]	Vol. 251, No. 1 pp.51-59, 2020
Case
Cholesterol Emboli Co-Existing with Anti-Neutrophil Cytoplasmic Antibody-Associated Vasculitis in a 76-Year-Old Woman Risa Kojima, Makoto Harada, Akinori Yamaguchi, Koji Hashimoto and Yuji Kamijo [PDF]	Vol. 251, No. 1 pp.61-68, 2020