@article{ref1,
title="Reciprocity of social support is associated with psychological distress and suicidal ideation in older Japanese people: A population-based study",
journal="Social science and medicine (1982)",
year="2019",
author="Mizuno, Yuki and Hikichi, Hiroyuki and Noguchi, Masayuki and Kawachi, Ichiro and Takao, Soshi",
volume="230",
number="",
pages="131-137",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0277-9536",
doi="10.1016/j.socscimed.2019.04.010",
url="http://dx.doi.org/10.1016/j.socscimed.2019.04.010"
}