TY - GEN AU - Bettinelli,M TI - [Analytical and problematic features in the study of reference values] SN - 1592-7830 PY - 2003///1208 KW - Body Fluids KW - chemistry KW - Chemistry, Clinical KW - standards KW - Humans KW - Mass Spectrometry KW - Reference Values N1 - Publication Type: English Abstract; Journal Article ER -