by Thompson Susa $12.00
by Kenneth A. Arndt, M.D $5.00
by Brooks $18.00
by Prof. H.M. Roesli Thaib, Sp.AN(K) $6.00
by Vitahealth $7.00
by Judith E. Brown Ph.D & Richard E. Brown, M.D., P.Ph $5.00
by Tarwoto $9.00
by Tanenbaum $16.00