![](/img/cover-not-exists.png)
Programmed investigation unit.
Sachdev, Y, Gomez-Pan, A, Fletcher, P M, Hall, RVolume:
2
Language:
english
Journal:
BMJ
DOI:
10.1136/bmj.2.6027.91
Date:
July, 1976
File:
PDF, 486 KB
english, 1976