Article 1 Bone Marrow 1 Bone marrow 1 Carboxypeptidases Chymase 1 Fluorescence Polarization Immunoassay 1 Humans 1 Mast Cells 1 Mast cells 1 Mastocytosis 1 Mastocytosis, Systemic 1 Peptide Hydrolases 1 Tryptase 1 atypical mast cell type 1a 1 atypical mast cell type 1b 1 atypical mast cell type 2 1 bone marrow 1 carboxypeptidase 1 chymase 1 controlled study 1 enzyme localization 1 fluorescence polarization immunoassay 1 human 1 human cell 1 human tissue 1 mast cell 1 metabolism 1 pathology 1 peptide hydrolase 1 priority journal 1