by Prof. DR. dr. S.M. Lumbantobing, SpS(K), SpKJ $6.00
by Dr. Hj. Tien Ch. Tirtawarna, SpGK $13.00
by Brooks $20.00
by Reeves $13.00
by Prof. Dr. Samsuridjal Djauzi, SpPD $6.00
by Aziz Alimul $9.00