Business method patents: A primer.
Pol S, Janodia MD, Jagadeesh PC, Bhat KM, Udupa N.
J Young Pharmacists, 2009, 1(4), 379-384
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http://www.jyoungpharm.in/article.asp?issn=0975-1483;year=2009;volume=1;issue=4;spage=379;epage=384;aulast=Pol