by PIYAPHANEE, WATCHARAPONG, KRUDSOOD, SRIVICHA, TANGPUKDEE, NOPPADON, THANACHARTWET, WIPA, SILACHAMROON, UDOMSAK, PHOPHAK, NANTAPORN, DUANGDEE, CHATNAPRA, HAOHARN, ORATHAI, FAITHONG, SUPARAT, WILAIRATANA, POLRAT, LEOWATTANA, WATTANA, LOOAREESUWAN, SORNCHAI
Published in The American journal of tropical medicine and hygiene (01.03.2006)