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16. [Circulatory adaptation to submaximal and maximal exercise in trained and untrained middle-aged men]. Grimby G. Nord Med; 1968 Mar 28; 79(13):429-32. PubMed ID: 5659864 [No Abstract] [Full Text] [Related]
17. Effects of varying training periods on the development of cardiovascular efficiency of college women. Yeager SA, Brynteson P. Res Q; 1970 Dec 28; 41(4):589-92. PubMed ID: 5275955 [No Abstract] [Full Text] [Related]
18. Physique, muscle strength and cardiovascular fitness of weight-lifters. De Pauw D, Vrijens J. J Sports Med Phys Fitness; 1972 Sep 28; 12(3):193-200. PubMed ID: 4669062 [No Abstract] [Full Text] [Related]
19. Interpretation of the oxygen intake test. What is it? Cureton TK. Am Correct Ther J; 1973 Sep 28; 27(1):17-23. PubMed ID: 4571740 [No Abstract] [Full Text] [Related]