RS, A., Jr, G. T., RB, C., GA, M., & Jr, B. R. (1987). Altered early left ventricular diastolic cardiac function in the premature infant. The American journal of cardiology, 59(15), 1391. https://doi.org/10.1016/0002-9149(87)90926-x
Chicago Style (17th ed.) CitationRS, Appleton, Graham TP Jr, Cotton RB, Moreau GA, and Boucek RJ Jr. "Altered Early Left Ventricular Diastolic Cardiac Function in the Premature Infant." The American Journal of Cardiology 59, no. 15 (1987): 1391. https://doi.org/10.1016/0002-9149(87)90926-x.
MLA (9th ed.) CitationRS, Appleton, et al. "Altered Early Left Ventricular Diastolic Cardiac Function in the Premature Infant." The American Journal of Cardiology, vol. 59, no. 15, 1987, p. 1391, https://doi.org/10.1016/0002-9149(87)90926-x.