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Home >Information for Patients > Dictionary Index
Dictionary of Cancer Terms
View in Spanish: Inicio de la acción
Onset of action ( AK-shun)
The length of time it takes for a medicine to start to work.
Source: National Cancer Institute Dictionary of Cancer Terms, available at www.cancer.gov/dictionary.
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Physicians can call our dedicated consultation referral service at 1-800-373-4111.
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22 S. Greene Street, Baltimore, MD 21201
22 S. Greene Street, Baltimore, MD 21201
