by Rumah Sakit Persahabatan $7.00
by Dr. Budi Tri Akoso $11.00
by Rahardjo, M. Dawan $7.00
by Parakkasi, Aminuddin $13.00
by Thayadi $0.00
by Srivastava. UK., GV. Shenoy, SC. Sharma $11.00
by Buckle, K.A., dkk $7.00