The Unfortunate and Painful Dental History of George Washington: Dental woes are the great leveler of men and women. Few escape discomfort, not even America's first president
Endorfinas, encefalinas y dinorfinas : el papel de los opiodes endogenos en el control del dolor en el cuerpo humano = [Endorphins, enkaphilins and dynorphins; the role of endogenous opioids in pain management in the human body]