Changes in the length of office visits.
Marcus
S C
SC
Olfson
M
M
Pincus
H A
HA
D003625:Data Collection; D006801:Humans; D008329:Managed Care Programs / Q000639:trends*; D009819:Office Visits / Q000639:trends*; D011570:Psychiatry / Q000639:trends*; D013997:Time Factors; D014481:United States