Eric Walker added Large study links gum disease with dementia | National Institute on Aging and Prevotella melaninogenica - Wikipedia to Prevotella melaninogenica, and added Prevotella melaninogenica to Prevotella

Eric Walker added Prevotella melaninogenica to Prevotella, and added Prevotella to Bacteroidaceae

Eric Walker added Prevotella to Bacteroidaceae, and added Bacteroidaceae to Bacteroidales