Chowienczyk, P. J., & Lawson, C. P. (1982). Pocket-sized device for measuring forced expiratory volume in one second and forced vital capacity.
Chicago-tyylinen lähdeviittausChowienczyk, P J., ja C P. Lawson. Pocket-sized Device for Measuring Forced Expiratory Volume in One Second and Forced Vital Capacity. 1982.
MLA-viiteChowienczyk, P J., ja C P. Lawson. Pocket-sized Device for Measuring Forced Expiratory Volume in One Second and Forced Vital Capacity. 1982.
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