TY  - JOUR
A1  - Padian, N.S.
A1  - Shiboski, S.C.
A1  - Jewell, N.P.
T1  - The effect of number of exposures on the risk of heterosexual HIV transmission
Y1  - 1990
JF  - Journal of Infectious Diseases
VL  - 161
IS  - 5
SP  - 883
EP  - -887

ER  -