Kero, P. (1974). Heart rate variation in infants with the respiratory distress syndrome. Almqvist & Wiksell.
Chicago Style (17th ed.) CitationKero, Pentti. Heart Rate Variation in Infants with the Respiratory Distress Syndrome. Stockholm: Almqvist & Wiksell, 1974.
MLA (9th ed.) CitationKero, Pentti. Heart Rate Variation in Infants with the Respiratory Distress Syndrome. Almqvist & Wiksell, 1974.
Warning: These citations may not always be 100% accurate.