[The relationship between the physician or other health-care professionals and the prisoners shall be governed by the same ethical and professional standards as those applicable to patients in the community, in particular:] An absolute prohibition on engaging, actively or passively, in acts that may constitute torture or other cruel, inhuman or degrading treatment or punishment, including medical or scientific experimentation that may be detrimental to a prisoner's health, such as the removal of a prisoner's cells, body tissues or organs.