Department of Health and Human Services, Office of Inspector General, pp.23731-23743, 2003. ,
l'équipement médical durable, les soins de santé à domicile, l'orthophonie, la fourniture d'éléments nutritionnels ,
Conflicts of interest and future of medicine, préc, pp.145-147 ,
The health care revolution: From medical monopoly to market competition, 2008. ,