MALDI-induced Fragmentation of Leucine enkephalin, Nitro-Tyr Leucine Enkaphalin, and d(5)-Phe-Nitro-Tyr Leucine Enkephalin.

MALDI-induced Fragmentation of Leucine enkephalin, Nitro-Tyr Leucine Enkaphalin, and d(5)-Phe-Nitro-Tyr Leucine Enkephalin.