Speaking of healthcare photography, you might be interested in exploring further on this topic. Here are some related Wikipedia links that you will find useful. The first is the article on Photography, which provides an in-depth understanding of the varying techniques and principles that could be applied in the healthcare context. Also, it would be worth reading about Healthcare, to understand how quality visuals and images contribute to better patient communication, diagnosis and treatment planning. Lastly, since the healthcare industry often involves complex machinery and equipment, the Wikipedia page on Medical Imaging could provide a great add-on knowledge on how photography is used in radiology and other diagnostic procedures.