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Harry G. Brittain, PhD, is the director of the Center for Pharmaceutical Physics and a member of Pharmaceutical Technology's editorial advisory board. 10 Charles Rd., Milford, NJ 08848, tel. 908.996.3509, fax 908.996.3560, firstname.lastname@example.org
Dynamic powder-sampling methods may be the best techniques for obtaining a representative sample for determining particle-size distribution.