“…4H20, 3.6 mg; ZnSO4. 7H20, 79.2 mg. ical processes (10,11), pattern of growth curves (1,14), antigen production (3,9,12), and drug susceptibility (2, 15) have met with only qualified success. The yeast phase is particularly difficult to grow in liquid media, even if the media are complex (11,13).…”