Great Lakes Protocol and Provings: Sally Williams RSHom is a homeopathy practice in Buffalo, New York led by Sally Williams, RSHom(NA), CCH, HMC. Williams is certified by the North American Society of Homeopaths, certified in Classical Homeopathy by the Council for Homeopathic Certification, and holds a masters in clinical homeopathy through the Luminos School. She is in her 20th year of private practice and has participated in conducting both full Hahnemannian and trituration provings. Williams also serves as director of the Healing Arts Association of Western New York.