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Price E, Simon JW, Calhoun JH.Price E, et al. Among authors: calhoun jh.J Pediatr Ophthalmol Strabismus. 1986 Jan-Feb;23(1):22-4. doi: 10.3928/0191-3913-19860101-06.J Pediatr Ophthalmol Strabismus. 1986.PMID: 3950838
Freeley DA, Nelson LB, Calhoun JH.Freeley DA, et al. Among authors: calhoun jh.J Pediatr Ophthalmol Strabismus. 1983 Mar-Apr;20(2):68-71. doi: 10.3928/0191-3913-19830301-07.J Pediatr Ophthalmol Strabismus. 1983.PMID: 6864420