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10.1113/JP270654 43 MitchellM.SchulzS
However, much of it is lost to stomach acid and enzymes on the way through the digestive tract
& Morneau, D
Anything which irritates the mucosal lining of the nose wouldnt be tolerated, congested nasal passages could inhibit delivery, and its not clear how far or where into the brain the substances might reach
Taylor, J
