Tanaka, Takanao; Okamoto, Shohei (15 January 2021). "Increase in suicide following an initial decline during the COVID-19 pandemic in Japan". Nature Human Behaviour (dalam bahasa Inggris). 5 (2): 229–238. doi:10.1038/s41562-020-01042-z. ISSN2397-3374. PMID33452498Periksa nilai |pmid= (bantuan).
Tanaka, Takanao; Okamoto, Shohei (15 January 2021). "Increase in suicide following an initial decline during the COVID-19 pandemic in Japan". Nature Human Behaviour (dalam bahasa Inggris). 5 (2): 229–238. doi:10.1038/s41562-020-01042-z. ISSN2397-3374. PMID33452498Periksa nilai |pmid= (bantuan).
Tanaka, Takanao; Okamoto, Shohei (15 January 2021). "Increase in suicide following an initial decline during the COVID-19 pandemic in Japan". Nature Human Behaviour (dalam bahasa Inggris). 5 (2): 229–238. doi:10.1038/s41562-020-01042-z. ISSN2397-3374. PMID33452498Periksa nilai |pmid= (bantuan).