by Dr. Ronald Hutapea, SKM, Ph.D $9.00
by A.S. Grimble, M.D., M.R.C.P $5.00
by WK $13.00
by Dr. dr. Siti Aisah Boediardja, dr. Titi Lestari Sugito $6.00
by WK $11.00
by Dr. Med. Udayana Gendo $16.00
by - $12.00