The cause of sleeping sickness.. Trypanosoma gambiense. Trypanosoma rhodesiense

publisher :NIL NAM -July 02, 2017

The cause of sleeping sickness:
a. Trypanosoma gambiense
b. Trypanosoma cruzi
c. Trypanosoma rhodesiense
d. (a) & (c)***

What is a major difference between a problem oriented medical record and a source oriented medical record