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Article
May 10, 1976

Safety of Weekly Plasmapheresis-Reply

Author Affiliations

Irwin Memorial Blood Bank of the San Francisco Medical Society San Francisco

JAMA. 1976;235(19):2080. doi:10.1001/jama.1976.03260450011007

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Abstract

In Reply.—  Drs Galloway and Koepke are quite correct in stating that the measurement of total serum protein concentration only can miss declines of immunoglobulin levels that may be significant. Regulations of the Food and Drug Administration also require testing the serum of plasmapheresis donors either by electrophoresis or by quantitating immunoglobulins. These tests must be done on samples taken at the time of the first plasmapheresis and at least every four months thereafter.

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