Search History Select to load keywords (subject equals "Food contamination") AND (subject equals "ปฏิชีวนะตกค้าง") AND (subject equals "Antibiotic residues") AND (author equals "ทรงจันทร์ ภู่ทอง") (subject equals "Food contamination") AND (subject equals "ปฏิชีวนะตกค้าง") AND (subject equals "Antibiotic residues") AND (subject equals "Semicarbazide")
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