The professional volunteer versus the volunteer professional.
D001291:Attitude of Health Personnel; D001294:Attitude to Health; D007398:Interpersonal Relations; D007857:Leadership; D008603:Mental Health; D009934:Organization and Administration; D011369:Professional-Patient Relations; D012938:Social Perception; D013038:Specialization; D014837:Voluntary Health Agencies; D014838:Volunteers