Tuberculin studies; comparative potency determinations of tuberculin fractions obtained as a result of ultrafiltration and trichloracetic acid precipitation.
HEATH
L M
LM
D002980:Climate; D055633:Immune System Phenomena; D035846:Law Enforcement; D014238:Trichloroacetic Acid; D014373:Tuberculin; D014462:Ultrafiltration
D014373:Tuberculin; D014238:Trichloroacetic Acid
TUBERCULIN