James Patrick A. Diaz and  Raul E. Ramboyong,  Hypertensive Response to Maximal Exercise Test in Young and Middle Age Hypertensive on Blood Pressure Lowering Medication: Monotherapy vs. Combination Therapy.   journal   = {International Journal of Medical and Health Sciences}, [online]. World Academy of Science, Engineering and Technology.
    June 2017, vol. 126(6). 380 - 385
    [viewed 07 February 2023]. Available from: https://publications.waset.org/pdf/10007475.