Vol.255 No. 1 SEPTEMBER 2021

Review
Coagulation, Protease-Activated Receptors, and Diabetic Kidney Disease: Lessons from eNOS-Deficient Mice Yuji Oe, Mariko Miyazaki and Nobuyuki Takahashi [PDF]	Vol. 255, No. 1 pp.1-8, 2021
Regular Contributions
Knowledge, Experience, and Perceptions of Generic Drugs among Middle-Aged Adults and their Willingness-to-Pay: A Nationwide Online Survey in Japan Yuki Ito, Konan Hara, Hajime Sato and Jun Tomio [PDF]	Vol. 255, No. 1 pp.9-17, 2021
Toxicological Effects of Artificial Fine Particulate Matter in Rats through Induction of Oxidative Stress and Inflammation Zhicong Hong, Peiji Zeng, Guoshun Zhuang, Qiaoling Guo and Chengfu Cai [PDF]	Vol. 255, No. 1 pp.19-25, 2021
The Expression of Insulin-Like Growth Factor 2 Messenger RNA-Binding Protein 3 in Langerhans Cell Histiocytosis and Langerhans Cell Sarcoma Konomi Yashige, Tatsuki R Kataoka, Yosuke Yamada, Hirona Maeda, Marina Oji-Tsujimura, Tetsurou Yamamoto, Yusuke Takei, Koki Moriyoshi, Kazuo Ono, Yo Kaku, Tetsuya Tabata, Ichiro Murakami, Hirokazu Nakamine and Hironori Haga [PDF]	Vol. 255, No. 1 pp.27-31, 2021
Clinical Course of Ulcerative Colitis Associated with an Age at Diagnosis: A Recent Japanese Database Survey Yosuke Shimodaira, Kenta Watanabe and Katsunori Iijima [PDF]	Vol. 255, No. 1 pp.33-39, 2021
Pretreatment with Ranitidine Bismuth Citrate May Improve Success Rates of Helicobacter pylori Eradication: A Prospective, Randomized, Controlled and Open-Label Study Jin Young Yoon, Min Seob Kwak, Jung Won Jeon and Jae Myung Cha [PDF]	Vol. 255, No. 1 pp.41-48, 2021
Enzymatic Changes in Red Blood Cells of Diamond-Blackfan Anemia Taiju Utsugisawa, Toshitaka Uchiyama, Tsutomu Toki, Keiko Shimojima-Yamamoto, Shouichi Ohga, Etsuro Ito and Hitoshi Kanno [PDF]	Vol. 255, No. 1 pp.49-55, 2021
Ustekinumab as the First Biological Agent for Crohn's Disease in a 10-Year-Old Girl Yuji Fujita, Takeshi Sugaya, Takanao Tanaka, Keiichi Tominaga and Shigemi Yoshihara [PDF]	Vol. 255, No. 1 pp.57-60, 2021
COVID-19 Outbreak in Italy: Report on the First 124 Consecutive Patients Treated at Home Luigi Cavanna, Gabriele Cremona, Chiara Citterio, Camilla Di Nunzio, Monica Muroni, Anna Maria Andena, Evelina Cattadori, Mirella Gubbelini, Lara Muroni, Roberta Schiavo, Massimo Nolli, Mauro Codeluppi, Pietro Maniscalco and Guido Pedrazzini [PDF]	Vol. 255, No. 1 pp.61-69, 2021
Association between Premenstrual Symptoms and Posttraumatic Stress Symptoms by COVID-19: A Cross-Sectional Study with Japanese High School Students Takashi Takeda, Sayaka Kai and Kana Yoshimi [PDF]	Vol. 255, No. 1 pp.71-77, 2021
Characteristics of Emergency Neurological Patients who were Transported by Helicopter Emergency Medical Services in Tochigi, Japan Eisei Hoshiyama, Takafumi Noguchi, Koji Wake, Masayoshi Zaitsu, Hidekazu Hishinuma, Junri Sunaga, Yasuo Haruyama, Kyo Takahashi, Gen Kobashi and Kazuyuki Ono [PDF]	Vol. 255, No. 1 pp.79-89, 2021