Evaluation of CHAMPS, a physical activity promotion program for older adults von Stewart, A L, Mills, K M, Sepsis, P G, King, A C, McLellan, B Y, Roitz, K, Ritter, P L

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Factors Associated with Enrollment of Older Adults into a Physical Activity Promotion Program von Mills, Kris M., Stewart, Anita L., King, Abby C., Roihz, Karen, Sepsis, Peter G., Ritter, Philip L., Bortz, Walter M.

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The Biogeochemical Cycling of Manganese in San Francisco Bay: Temporal and Spatial Variations in Surface Water Concentrations von Roitz, J.S., Flegal, A.R., Bruland, K.W.

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Determination of dissolved manganese(II) in coastal and estuarine waters by differential pulse cathodic stripping voltammetry von Roitz, J.S., Bruland, K.W.

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