DRIP CHAMBERS Macrodrip Microdrip 10-20 gtt/ml 60 gtt/ml 6 From:Kee,J.Marshall,S.(2000).Clinical calculations (4th ed.).Philadelphia: W.B.Saunders.DRIP CHAMBERS From: Kee, J. & Marshall, S. (2000). Clinical calculations (4th ed.). Philadelphia: W.B. Saunders