Changes in Smoking Behavior Since the Declaration of the COVID-19 State of Emergency in Japan: A Cross-sectional Study From the Osaka Health App

por Koyama, Shihoko, Tabuchi, Takahiro, Okawa, Sumiyo, Kadobayashi, Takayoshi, Shirai, Hisaya, Nakatani, Takeshi, Miyashiro, Isao
Publicado 2021