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Impact on molecular structure and half-life

Visible particles mean incomplete dissolution or contamination

doi: 10.1590/s0004-282x2006000500026 115 VarlamovEVHinojosa-AmayaJMFleseriuM

Effects of morphine and D-Ala, D-Leu enkephalin on the electrical activity of supraoptic neurosecretory cells in vitro
