TY - GEN AU - Yebra-Biurrun,M C AU - Cespón-Romero,R M TI - Fast ultrasound-assisted extraction of copper, iron, manganese and zinc from human hair samples prior to flow injection flame atomic absorption spectrometric detection SN - 1618-2650 PY - 2008///0118 KW - Copper KW - analysis KW - Flow Injection Analysis KW - Hair KW - chemistry KW - Humans KW - Iron KW - Manganese KW - Metals, Heavy KW - Occupational Exposure KW - Reference Standards KW - Sonication KW - Spectrophotometry, Atomic KW - methods KW - Welding KW - Zinc N1 - Publication Type: Journal Article UR - https://doi.org/10.1007/s00216-007-1264-5 ER -