Related Rule
Practice Relating to Rule 26. Medical Activities
Section A. Respect for medical ethics
Mexico’s Army and Air Force Manual (2009), in a section on the 1977 Additional Protocol I, states that medical personnel “must not be compelled to carry out medical activities that are not consistent with medical ethics.” 
Mexico, Manual de Derecho Internacional Humanitario para el Ejército y la Fuerza Área Mexicanos, Ministry of National Defence, June 2009, § 273.