“The Law of Direction of Cure (!) Is It a Law or Rule or an Observation? Who Observed It First, Dr. Hering or Dr. Hahnemann ?”. Advancements in Homeopathic Research, vol. 3, no. 1, Aug. 2022, pp. 44-46, https://acspublisher.com/journals/index.php/ahr/article/view/2030.