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(2009) Apoptosis and glutathione: beyond an antioxidant, Cell Death Differ

Lyophilized (freeze-dried) peptides must be protected from temperature fluctuations, moisture, and light exposure from the moment of synthesis to final delivery

[20] For nutritional deficiency without intrinsic-factor loss, shorter courses-such as 30-100 mcg intramuscularly daily for five to ten days followed by 100-200 mcg monthly-are often sufficient

Debanne D, Gurineau NC, Ghwiler BH, Thompson SM

With respect to desensitization, all those data support the idea that agonists are able to promote a different regulation of OR as demonstrated for other GPCR such as the histamine H2 receptors (Alonso et al., 2014)