Shaffer, F., McCraty, R., Zerr, C, A healthy heart is not a metronome: An integrative review of the heart's anatomy and heart rate variability, Frontiers in Psychology, 30 September 2014.
Distributors may purchase multiple copies of packages to distribute to learners, and follow their progress. Bulk discounts are below.
Quantity | Price per voucher |
---|---|
1+ | $0.00 |
Article & Exam |
CLICK HERE to add to My Courses |