§ 660.4. Potency test.
60 words·~1 min read·
/us/cfr/t21/s§ 660.4·A research copy — for the controlling text, always check the official state or federal source. Not legal advice.
To be satisfactory for release, each filling of Antibody to Hepatitis B Surface Antigen shall be tested against the Reference Hepatitis B Surface Antigen Panel and shall be sufficiently potent to detect the antigen in the appropriate sera of the reference panel by all test methods recommended by the manufacturer in the package insert. [40 FR 29711, July 15, 1975]