Echocardiography and monitoring patients receiving dopamine agonist therapy for hyperprolactinaemia: a joint position statement of the British Society of Echocardiography, the British Heart Valve Society and the Society for Endocrinology. Steeds RP, Stiles CE, Sharma V. Echo Res Pract. 2019 Mar 1;6(1):G1-G8. doi: 10.1530/ERP-18-0069.