I would like to buy a Littman stethoscope as a present for my girlfriend. Is the model of stethoscope determined by the school/faculty? Do students just buy whatever they want? I was probably going to get her the Littman Cardiology III instead of the Master Cardiology because it has a "small" side too, while the Master only has the one side. I figured that she might see some "small" patients as she learns how to be a doc. Any comments or suggestions would be more than welcome because obviously I don't know what the hell I'm doing.