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In this work, 0.08 mmol L(-1) of phthalic acid was introduced as a mobile phase additive to quantify free amino acids (AAs) by hydrophilic interaction liquid chromatography (HILIC) coupled with(More)
OBJECTIVE To assess the significance of central compartment dissection in papillary thyroid cancer with negative clinical lymph node metastasis. METHODS Clinical and pathological data of 641(More)