Journal Article
                        
                        Estopinal, Christopher B, Somsanguan  Ausayakhun, Sakarin  Ausayakhun, Choeng  Jirawison,  S Joy Bhosai, Todd P Margolis, and Jeremy D Keenan.  
"Access to ophthalmologic care in Thailand: a regional analysis." Ophthalmic epidemiology 20, no. 5 (2013): 267-273.