n. Divergence or disagreement, as between facts or claims; difference. (d_____)
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n. Something that precipitates a particular event or situation. (t______)
adj. Capable of being relied on; dependable. (r______)
n. The science of drugs, including their composition, uses, and effects. (p_______)
n. A person trained and licensed to practice medicine; one who has aDoctor of Medicine or a Doctor of OsteopathicMedicine degree. (p_____)