TY - GEN AU - Del Razo,L M AU - Arellano,M A AU - Cebrián,M E TI - The oxidation states of arsenic in well-water from a chronic arsenicism area of northern Mexico SN - 0269-7491 PY - 2004///0804 N1 - Publication Type: Journal Article UR - https://doi.org/10.1016/0269-7491(90)90111-o ER -