Transactions of the Royal Society of Tropical Medicine and Hygiene
Transactions of the Royal Society of Tropical Medicine and Hygiene > 2009 > 103 > 2 > 197-199
Transactions of the Royal Society of Tropical Medicine and Hygiene > 2009 > 103 > 2 > 151-158
Transactions of the Royal Society of Tropical Medicine and Hygiene > 2009 > 103 > 4 > 423-424