2020;32:e13738
For research comparison, the important point is its broader receptor model rather than any human-use schedule
Never inject into the exact same location twice in a row
Sample preparations for plasma, urine, hair, and tissue All samples were processed with a standard operating procedure.150 L aliquots of thawed plasma or urine were mixed with three internal standards (IS) [20 L of d4-alanine (Sigma, USA, 10 mM), d5-phenylalanine (Sigma, USA, 10 mM), and d5-tryptophan (Sigma, USA, 10 mM)]
Ihler G, Chami-Stemmann H
Intranasal delivery of low-dose insulin ameliorates motor dysfunction and dopaminergic cell death in a 6-OHDA rat model of Parkinsons disease