When cancer patients undergo chemotherapy, the dose of most drugs is calculated based on the patient's body surface area. This is estimated by plugging the patient's height and weight into an equation, dating to 1916, that ...
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In chemistry, concentration is defined as the abundance of a constituent divided by the total volume of a mixture. Four types can be distinguished: mass concentration, molar concentration, number concentration, and volume concentration. The term concentration can be applied to any kind of chemical mixture, but most frequently it refers to solutes in homogeneous solutions.
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