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Farokhnia M, Azarkolah A, Adinehfar F, Khodaie-Ardakani M-R, Hosseini S-M-R, Yekehtaz H, Tabrizi M, Rezaei F, Salehi B, Sadeghi S-M-H, Moghadam M, Gharibi F, Mirshafiee O:, Akhondzadeh S: N-acetylcysteine as an adjunct to risperidone for treatment of negative symptoms in patients with chronic schizophrenia: a randomized, double-blind, placebo-controlled study

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Apart from shared risk factors such as obesity, gastroesophageal reflux and rhinitis, OSA contributes to intermittent hypoxia and cyclic mechanical stresses on airways increasing bronchial inflammation

Chapman LE, Darling AL, Brown JE (2016) Association between metformin and vitamin B12 deficiency in patients with type 2 diabetes: a systematic review and meta-analysis

Purity Standards & Analytical Methods Research-grade BPC-157 should demonstrate 95% purity by RP-HPLC with intact mass confirmation by ESI-MS (expected [M+H]+ at m/z 1,420.5)