Arsenic poisoning is known to dramatically at the end of the year. 2530 (1987) Ron phibun district, Nakhon SI thammarat Many of the villagers have dug underground water households use causes a disease called black fever.
Arsenic poisoning is known to be very late. P. 2530 the district grids province. Many villagers dig household water use causes a disease known as black fever.
Toxicity of arsenic is known to significantly in the last year. 2530 Ron phibun District, Nakhon Si Thammarat province. Many locals use household dig groundwater, causing a disease called black fever.