TY  - BOOK
AU  - Backer, Thomas E.
AU  - Rogers, Everett M.
AU  - Sopory, Pradeep
TI  - Designing health communication campaigns: what works? 
SN  - 0803943326 (pbk) :
U1  - 362.1014 
PY  - 1992///
CY  - Newbury Park
PB  - Sage
KW  - Mass media in health educaiton
KW  - Communication in medicine
N1  - Includes bibliographical references (p.177-179)
ER  -