Lexchin, Joel - In: Disease Management and Health Outcomes 5 (1999) 5, pp. 273-283
Spending on direct-to-consumer advertising (DTCA) in the US rapidly increased from $US150 million in 1992 to $US1.2 billion in 1998 (to the end of November). Despite this level of expenditure, there is no literature on how DTCA affects patients' level of knowledge about medications, physician...
