Karlsson, Virginia C. A systematic approach to strabismus / Virginia C. Karlsson - 2nd ed. - Thorofare, N. J. : Slack, 2009 - 112 p. : ill. ; 26 cm. ISBN: 9781556427947 RM157.34 1556427948 Subjects--Topical Terms: StrabismusStrabismus--Diagnosis National Library of Medicine Call No.: WW415 / .K18s 2009 9HUKM