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Chodzko-Zajko, Wojtek J.; Proctor, David N.; Fiatarone Singh, Maria A.; Minson, Christopher T.; Nigg, Claudio R.; Salem, George J.; Skinner, James S. (2009). Exercise and Physical Activity for Older Adults. Medicine and science in sports and exercise, 41(7), pp. 1510-1530. Lippincott Williams & Wilkins 10.1249/MSS.0b013e3181a0c95c
