Tkatch R, Bazarko D, Musich S, Wu L, MacLeod S, Keown K, Hawkins K, Wicker E. A pilot online mindfulness intervention to decrease caregiver burden and improve psychological well-being. J Evid Based Complementary Altern Med. 2017 Oct;22(4):736-43. doi: 10.1177/2156587217737204
Caso P, Sutherland GR, Fleming A, McDicken WN. Doppler tissue imaging: current status and future prospects. G Ital Cardiol. 1995 May 1;25(5):639-47.