by Vitahealth $7.00
by John S. Speakman, MD $5.00
by Wayne L. Wesscott $9.00
by P. Joko Subagyo, S.H $7.00
by dr. Santoso Gunardi, MS, PAK $6.00
by Dr. Herman Cipto, SpKK, dr. Srie Prihianti Ismiarto $5.00