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Characterization and regional distribution of calcitonin binding sites in the rat brain

While this sequence is derived from a protein found in human gastric juice, the specific 15-amino acid segment does not occur in isolation in nature it has been extracted and stabilized through synthesis for use in laboratory research

10.1093/MOLEHR/GAAB042 39 TatenoH.KrapfD.HinoT.Snchez-CrdenasC.DarszonA.YanagimachiR.et al (2013)

Mice were euthanized at humane end points (when the tumour diameter exceeded a total of 20 mm in length, when ulceration occurred or when weight loss exceeded 20%)

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