Johansson, P. I., Ullum, H, Jensen, K & Secher, N. H. (2009). A retrospective cohort study of blood hemoglobin levels in blood donors and competitive rowers. Scandinavian Journal of Medicine & Science in Sports, 19 (1), 92-95. doi: 10.1111/j.1600-0838.2008.00771.x
APA (7th ed.) CitationJohansson, P. I., Ullum, H., Jensen, K., & Secher, N. H. (2009). A retrospective cohort study of blood hemoglobin levels in blood donors and competitive rowers. Scandinavian Journal of Medicine & Science in Sports, 19(1), 92-95.
Chicago Style (17th ed.) CitationJohansson, P. I., H. Ullum, K. Jensen, and N. H. Secher. "A Retrospective Cohort Study of Blood Hemoglobin Levels in Blood Donors and Competitive Rowers." Scandinavian Journal of Medicine & Science in Sports 19, no. 1 (2009): 92-95.
MLA (9th ed.) CitationJohansson, P. I., et al. "A Retrospective Cohort Study of Blood Hemoglobin Levels in Blood Donors and Competitive Rowers." Scandinavian Journal of Medicine & Science in Sports, vol. 19, no. 1, 2009, pp. 92-95.