Pymer, S., Nichols, S., Prosser, J., Birkett, S., Carroll, S., & Ingle, L. (in press). Does exercise prescription based on estimated heart rate training zones exceed the ventilatory anaerobic threshold in patients with coronary heart disease undergoing usual-care cardiovascular rehabilitation? : a United Kingdom perspective. European Journal of Preventive Cardiology, https://doi.org/10.1177/2047487319852711