Journal Article
                        
                        Mao, B, K  Chheng, K  Wannemuehler, E  Vynnycky, S  Buth, SC  Soeung, S  Reef, W  Weldon, L  Quick, and CJ  Gregory.  
"Immunity to polio, measles and rubella in women of child-bearing age and estimated congenital rubella syndrome incidence, Cambodia, 2012." Epidemiology & Infection 143, no. 9 (2015): 1858-1867.