title: Neutrophil aggregation: effect of the time and sequence of addition of calcium, magnesium and chemotactic factor.
mesh_terms: D002118:Calcium / Q000494:pharmacology*; D002449:Cell Aggregation; D002634:Chemotaxis, Leukocyte; D006801:Humans; D008274:Magnesium / Q000494:pharmacology*; D008715:Methionine / Q000031:analogs & derivatives*; D009239:N-Formylmethionine / Q000031:analogs & derivatives*; D009504:Neutrophils / Q000276:immunology*; D009842:Oligopeptides / Q000494:pharmacology*; D010316:Particle Size; D013997:Time Factors
chemical_list: D009842:Oligopeptides; D009239:N-Formylmethionine; D008715:Methionine; D008274:Magnesium; D002118:Calcium