Association between difficulty initiating sleep in older adults and the combination of leisure-time physical activity and consumption of milk and milk products: a cross-sectional study
Crossref DOI link: https://doi.org/10.1186/1471-2318-14-118
Published Online: 2014-11-18
Published Print: 2014-12
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Kitano, Naruki
Tsunoda, Kenji
Tsuji, Taishi
Osuka, Yosuke
Jindo, Takashi
Tanaka, Kiyoji
Okura, Tomohiro
License valid from 2014-11-18