- Matikka, L.M.; Vesala, H.T.
- Acquiescence in Quality-of-Life Interviews with Adults who have Mental Retardation.
- Mental Retardation, 1997, Vol. 35, 75 - 82
- 0047 6765
- English (Australia, Canada, UK, USA)
Eligible for inclusion in findings archive
- No, no valid measure of happiness used.