Source:http://linkedlifedata.com/resource/umls/id/C1704312
NCI: A person qualified to be engaged in activity directed at preservation of mental and physical health by diseases prevention and treatment as a source of livelihood.,NCI: A person trained to work in any field of physical or mental health.,NCI: A person qualified to be engaged in activity directed at preservation of mental and physical health by diseases prevention and treatment as a source of livelihood. (NCI)