Leads from the MMWR. Update: acquired immunodeficiency syndrome--United States
1989 ◽
Vol 86
(6)
◽
pp. 709-712
◽
1994 ◽
Vol 154
(6)
◽
pp. 654-659
◽
1989 ◽
Vol 86
(12)
◽
pp. 4793-4797
◽