RT Journal A1 von Noorden GK T1 STrabismus JF Archives of Ophthalmology JO Archives of Ophthalmology YR 1970 FD July 1 VO 84 IS 1 SP 103 OP 122 DO 10.1001/archopht.1970.00990040105025 UL http://dx.doi.org/10.1001/archopht.1970.00990040105025 AB