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2. The use of miotics in the treatment of convergent strabismus and anisometropia;Abraham;Am. J. Ophth.,1949
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4. Guibor. G. P.: Squint New York, Grune & Stratton, 1959.
5. The use of miotics in the treatment of nonparalytic convergent strabismus;Abraham;Am. T. Ophth.,1952