@patent {weigl_united_2003-1,
	title = {United {States} {Patent}: 6557427 - {Capillaries} for fluid movement within microfluidic channels},
	number = {6557427},
	year = {2003},
	month = {may},
	abstract = {A capillary for introduction of whole blood into an analysis device. The capillary has a variable volume along its length, which allows the liquid sample to be drawn into the interior of the cartridge, away from the inlet, reducing the risk of contamination of the sample from the outside.},
	url = {http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2\&Sect2=HITOFF\&p=1\&u=\%2Fnetahtml\%2FPTO\%2Fsearch-bool.html\&r=22\&f=G\&l=50\&co1=AND\&d=PTXT\&s1=\%22Weigl\%3B+Bernhard\%22.INNM.\&OS=IN/\%22Weigl;+Bernhard\%22\&RS=IN/\%22Weigl;+Bernhard\%22},
	author = {Weigl, Bernhard H. and Klein, Gerald L. and Bardell, Ronald L. and Battrell, C. Frederick}
}
