TY  - BOOK
AU  - Bruhn,John G.
TI  - The group effect: social cohesion and health outcomes 
SN  - 9781441903631
PY  - 2009///
CY  - Dordrecht, New York
PB  - Springer
KW  - Social groups
KW  - Health aspects
KW  - Social medicine
KW  - Social networks
N1  - Includes bibliographical references (p.159-161) and index
ER  -