Comparison of simultaneous active and passive AIDS case reporting in San Francisco.
Hsu
L
L
Schwarcz
S
S
Katz
M
M
D000163:Acquired Immunodeficiency Syndrome / Q000453:epidemiology*; D000554:Ambulatory Care Facilities / Q000191:economics; D006801:Humans; D012495:San Francisco / Q000453:epidemiology; D018571:Sentinel Surveillance