title: [There are limits to altruism--clinical research must be profitable].
authors.forename: Per
authors.initials: P
authors.lastname: Hansson
mesh_terms: D035843:Biomedical Research / Q000191:economics*; D004503:Education, Medical, Graduate / Q000191:economics; D006801:Humans; D011570:Psychiatry / Q000191:economics / Q000193:education; D012109:Research Support as Topic