Tu's team examined____ and evaluated ____., over 2,000 old medical texts; 280,000 plants for their medical properties., They found one medical text suggesting____., using the extract from sweet wormwood to treat a fever., They tested _____., a collection of dried wormwood leaves but found no effect., They tried_____ but _____., boiling fresh wormwood and using the liquid obtained from it; this didn't work either., They used a _______ the sweet wormwood extract., lower temperature to draw out -, They tested the medicine ______ to see if safe., on themselves -, They tested the medicine on_____., malaria patients., The medicine became _______ for malaria., a standard treatment -.

The Research Process

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