title: Altruism--measuring the non-existence?
authors.forename: Charlotte
authors.initials: C
authors.lastname: Rees
mesh_terms: D000533:Altruism; D004645:Empathy; D006282:Health Personnel / Q000523:psychology*; D006801:Humans; D007398:Interpersonal Relations; D008960:Models, Psychological; D011369:Professional-Patient Relations; D014481:United States