Transactions of the Royal Society of Tropical Medicine and Hygiene
Transactions of the Royal Society of Tropical Medicine and Hygiene > 2012 > 106 > 2 > 110-116
Transactions of the Royal Society of Tropical Medicine and Hygiene > 2012 > 106 > 2 > 131-133
Transactions of the Royal Society of Tropical Medicine and Hygiene > 2012 > 106 > 2 > 128-130