A. Osman et al., LEVELS OF THYROXINE, TSH, THYROID VOLUME AND MENTAL PERFORMANCE AMONGORANG-ASLI IN SELECTED SETTLEMENTS IN MALAYSIA, East African medical journal, 73(4), 1996, pp. 259-263
A significant difference in the levels of thyroxine (T4), thyroid stim
ulating hormone (TSH) and thyroid volume among settlements at various
selected Orang Asli locations is reported, The levels improved accordi
ng to the level of socio-economic development, No significant differen
ce was found in mental performance by location.