@article{ref1,
title="Rhinolith from a plastic object in the nasal cavity for more than 20 years",
journal="Pediatrics international",
year="2011",
author="Cheng, Chia‐chi and Fang, Tuan‐jen and Lee, Li‐ang and Li, Hseuh‐yu and Kuo, Ying‐ling and Chen, Tsung‐ming",
volume="53",
number="1",
pages="135-136",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="1328-8067",
doi="10.1111/j.1442-200X.2010.03304.x",
url="http://dx.doi.org/10.1111/j.1442-200X.2010.03304.x"
}