[What is the cost of sitting in on lectures].
Rohde
H
H
D003107:Colorectal Surgery / Q000191:economics* / Q000193:education*; D003362:Cost-Benefit Analysis; D004502:Education, Medical, Continuing / Q000191:economics*; D004739:England; D005858:Germany; D007393:International Educational Exchange / Q000191:economics*; D013663:Teaching / Q000191:economics