https://pubmed.ncbi.nlm.nih.gov/17927576/
Based on the hypothesis that skin barrier impairment is a contributor to side-effects associated with retinoic acid therapy, a double-blind, placebo-controlled...
retinoic acideffectnicotinatetherapyfacial
https://pubmed.ncbi.nlm.nih.gov/9211916/
We report the purification and biochemical characterization of the cobalamin biosynthetic enzyme nicotinate-mononucleotide:5, 6-dimethylbenzimidazole...
purificationcharacterizationnicotinate