@article{ref1,
title="Delegating tasks to physicians' assistants: physicians' reactions",
journal="Texas medicine",
year="1972",
author="Parker, H. J. and Delahunt, J. C.",
volume="68",
number="10",
pages="69-79",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0040-4470",
doi="",
url="http://dx.doi.org/"
}