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by Stimson, Gerry V.; Des Jarlais, Don; Ball, Andrew L.
by Andrew Ball , James Garry , Ralph Lorenz , Viktor Kerzhanovich
by Ball, Andrew
by Higgins, Andrew; Ball, Jean; Haines, Genny
by Ball, Jean; Higgins, Andrew; Cand, Simone; et al.
by Ball, Andrew Thomas
by Ball, Dennis Andrew
by Ball,Andrew; Ball,Andrew
by Len Gelman; Raj B. K. N. Rao; Andrew Ball