I would like to know any staining method available for counting mucosal mast cell using cell counting chamber. The stain should be water base and can stain the cells within a short period of time. Aye Soe Internet: SoeA at agresearch.cri.nz Researcher Phone: 64-4-5286089 P.O.Box 40063, Upper Hutt Fax: 64-4-5281380 NEW ZEALAND