Jaja, SI, SI Ogungbemi, and MO Kehinde. 2009. “Electrocardiographic and Blood Pressure Changes in Apparently Health Male Subjects Following Oral, Chronic, Low-Dose Vitamin C Supplementation and /Or Change in Posture”. Nigerian Quarterly Journal of Hospital Medicine 18 (2). https://doi.org/10.4314/nqjhm.v18i2.44995.