%0 Journal Article %T An Anatomical Basis for Primary Acquired Nasolacrimal Duct Obstruction %A Groessl, Sarah A. %A Sires, Bryan S. %A Lemke, Bradley N. %J Archives of Ophthalmology %V 115 %N 1 %P 71-74 %@ 0003-9950 %D 1997-01-01 %I American Medical Association %~ DeepDyve