PT  - JOURNAL ARTICLE
AU  - D J Barker
TI  - Numbers of relatives of severely subnormal children.
AID  - 10.1136/jech.20.4.162
DP  - 1966 Oct 01
TA  - British Journal of Preventive & Social Medicine
PG  - 162--164
VI  - 20
IP  - 4
4099  - http://jech.bmj.com/content/20/4/162.short
4100  - http://jech.bmj.com/content/20/4/162.full
SO  - Br J Prev Soc Med1966 Oct 01; 20