John O Gyapong

Characteristics of latrine promotion participants and non‐participants; inspection of latrines; and perceptions of household latrines in Northern Ghana

P. Emerson, John Gyapong, Ann F Rodgers, 2007, Tropical medicine & international health : TM & IH.

Short communication: Negative spatial association between lymphatic filariasis and malaria in West Africa

Peter J Diggle, Janet Hemingway, Michael Coleman, 2006, Tropical medicine & international health : TM & IH.