(Q72216009)
Statements
Zalcitabine compared with zidovudine in patients with advanced HIV-1 infection who received previous zidovudine therapy (English)
R M Olson
S E Follansbee
J P Lalezari
D H Henry
P T Frame
S C Remick
M P Salgo
A H Lin
C Nauss-Karol
J Lieberman