| 摘要 |
A method of providing a drug to a specific region of a patient's body is provided. The method includes the steps of: (a) administering to the patient a prodrug being convertible to the drug upon exposure to a predetermined dose of energy; and (b) irradiating the specific region of the body with at least two energy waves, each being provided from a different direction and/or distance, thereby generating the predetermined dose of energy in the specific region of the body and converting the prodrug into the drug therein.
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