Association between dog ownership and mental health among community-dwelling older adults: a cross-sectional study 論文 Yoko Kuroda・Takafumi Abe・Takehiko Tsujimoto・Masayuki Yamasaki・Minoru Isomura・Atsushi Nagai ·2026-05-13 ·『Frontiers in Public Health』 14 pp. 1835505-1835505 doi:10.3389/fpubh.2026.1835505