%0 Journal Article %T Self-retaining iris retractor used in cryo-extraction of lens %A Rai Gulshan %J Indian Journal of Ophthalmology %D 1978 %I Medknow Publications %U http://www.ijo.in/article.asp?issn=0301-4738;year=1978;volume=26;issue=3;spage=32;epage=32;aulast=Rai