title: Effect of primary ion beam parameters on the secondary ion emission of biomolecules from liquid matrices.
mesh_terms: D004743:Enkephalin, Leucine; D004744:Enkephalin, Methionine; D013058:Mass Spectrometry / Q000295:instrumentation / Q000379:methods*
chemical_list: D004744:Enkephalin, Methionine; D004743:Enkephalin, Leucine