Billson, Francis A. Strabismus / Francis A. Billson ; research assistant, James Wong. - London : BMJ Books, 2003. - xv, 102 p. : ill. ; 26 cm. - Fundamentals of clinical ophthalmology . Includes bibliographical references and index. ISBN: 0727915622 RM219.78 Nat. Bib. No.: GBA2-X1331 Subjects--Topical Terms: Strabismus. National Library of Medicine Call No.: WW 415