by Dr. Menaldi Rasmin, SpP(K), Dr. Pudji K S $6.00
by Aziz Alimul $7.00
by Aziz Alimul $9.00
by Prof. dr. D. Bachtiar Lubis, dr. Sylvia D. Elvira $7.00
by M. Fakhri Husein $12.00
by Th. Endang Purwoastuti $5.00