Nathaniel H Roberts

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PURPOSE Early-stage osteoarthritis (OA) includes glycosaminoglycan (GAG) loss and collagen disruption that cannot be seen on morphological magnetic resonance imaging (MRI). T1ρ MRI is a measurement that probes the low-frequency rate of exchange between protons of free water and those from water associated with macromolecules in the cartilage's extracellular(More)
ii ACKNOWLEDGEMENTS I would like to acknowledge sincerely to my committee members, my coworkers, my family and friends, without whom this thesis would not be completed. First of all, I would like to extend my heartfelt gratitude to my research advisor, Dr. James Martin, without whom I could not finish this thesis. His outstanding originality, active(More)
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