DOSE FOR CHRONIC GRANULOMATOUS DISEASE AND SEVERE, MALIGNANT OSTEOPETROSIS IS 50 MCG/M2(1 MILLION IU/M2) THREE TIMES WEEKLY BY S/C INJ IN PTS WHOSE BODY SURFACE AREA IS GREATER THAN 0.5 M2. PATIENTS WITH A BODY-SURFACE LESS THAN 0.5 M2 SHOULD RECEIVE 1.5 MICROGRAMS/KG BODY-WEIGHT THREE TIMES WEEKLY.