Comparison of two experiences using physician's assistants.
D000208:Acute Disease; D000328:Adult; D000367:Age Factors; D000368:Aged; D002908:Chronic Disease; D003695:Delivery of Health Care; D005260:Female; D006123:Group Practice; D006801:Humans; D008297:Male; D008875:Middle Aged; D010823:Physician Assistants / Q000193:education*; D013997:Time Factors