Hewa Saranadasa, PhD

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Hewa Saranadasa, PhD, is a senior statistician at Pharmaceutical Sourcing Group Americas, a division of Ortho-MacNeil Pharmaceutical, Inc.

Articles

The Square Root of N Plus One Sampling Rule

May 2nd 2003

Manufacturers who use the square root of N plus one rule as part of their overall sampling plan may be surprised to learn of its inadequacies and whether it truly represents the entire batch.

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Application of Validation Principles to the Training Quality System: Part 9, Quality Risk Management Hazard Identification

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