Schwab L, Whitfield Jr. R, Ross-Degnan D, Steinkuller P, Swartwood J, the Survey Study Group (Adala H, Bakker N, Beekhuis H, Bisley G, Dekkers N, Hoshiwara I, Mandalia H, Mandalia P, Meaders R, Ochola JO, Sheffield V), "The Epidemiology of Trachoma in Rural Kenya - Variation in Prevalence with Lifestyle and Environment"

Degnan D, Schwab L, Steinkuller PG, and Swartwood J. The Epidemiology of Trachoma in Rural Kenya Variation in Prevalence with Lifestyle and Environment.

Clare E. Gilbert, Keith Waddel, Mark Wood & Allen Foster (2009) Causes of childhood blindness in East Africa: Results in 491 pupils attending 17 schools for the blind in Malawi, Kenya and Uganda

Paul Courtright; Routine vitamin A supplementation, fever, and nutritional status in Malawian children during a drought

Klauss, Volker & Adala, H. S. (‎1994)‎. Traditional herbal eye medicine in Kenya / V. Klauss & H. S. Adala.