An Objective Method to Accurately Measure Cardiorespiratory Fitness in Older Adults Who Cannot Satisfy Widely Used Oxygen Consumption Criteria. Dougherty RJ, Lindheimer JB, Stegner AJ, Van Riper S, Okonkwo OC, Cook DB J Alzheimers Dis. 2018; 61(2):601-611. PMID: 29226867. Abstract Comment Bookmark Recommend Follow Comment | Bookmark | Recommend | Follow