PRODUCTION OF BCG VACCINE IN A LIQUID MEDIUM CONTAINING TWEEN 80 AND A SOLUBLE FRACTION OF HEATED HUMAN SERUM : II. ANTIGENICITY OF THE CULTURE AFTER VARIOUS PERIODS OF STORAGE

PRODUCTION OF BCG VACCINE IN A LIQUID MEDIUM CONTAINING TWEEN 80 AND A SOLUBLE FRACTION OF HEATED HUMAN SERUM : II. ANTIGENICITY OF THE CULTURE AFTER VARIOUS PERIODS OF STORAGE