Search History Select to load keywords (subject equals "Pharmacognosy") AND (subject equals "Medicinal plants") AND (subject equals "พืชสมุนไพร") AND (author equals "Krittapat Phairoh") AND (subject equals "Derris elliptica (Hanglai-Dang)") (subject equals "Pharmacognosy") AND (author equals "Chayanon Chaowuttikul") AND (subject equals "Plant extracts") AND (subject equals "Usnic acid") AND (dateIssued equals "2013")
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