Geographic information system of Opisthorchis viverrini in northeast Thailand
Wattanayingcharoenchai, Suwannachai, Nithikathkul, Choosak, Wongsaroj, Thitima, Royal, Louis, Reungsang, Pipat
Risk factors for Opisthorchis viverrini infection in Nakhon Phanom, Thailand, where the infection is highly endemic
Nakbun, Songkran, Thongkrajai, Pramote, Nithikathkul, Choosak
Brief communication (Original). National survey of helminthiasis in Thailand
Wongsaroj, Thitima, Nithikathkul, Choosak, Rojkitikul, Wichit, Nakai, Worayut, Royal, Louis, Rammasut, Pongroma