@article{ref1,
title="Tufted toothpicks and teeth blackening customs in Ukiyoe",
journal="Bulletin of the history of dentistry",
year="1986",
author="Nakahara, Shinji and Homma, K.",
volume="34",
number="2",
pages="88-92",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0007-5132",
doi="",
url="http://dx.doi.org/"
}