A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z
demographics/characteristicsdemographics is often used incorrectly to refer to patient characteristics; demographics actually refers to population characteristics (e.g., size, growth, density, etc.)
different from/different thandifferent from is correct when comparing two things; different than is incorrect and should not be used
dose/dosagea dose is the quantity to be administered at one time, or the total quantity administered; dosage refers to the regulated administration of doses, and is expressed in terms of a quantity per unit of time



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