Ads tout network of independent.(Drug Wholesalers)(AmerisourceBergen Corp)(Brief article)

VALLEY FORGE, Pa. -- AmerisourceBergen has stepped up the advertising effort for its Good Neighbor Pharmacies franchised stores, kicking off a national campaign earlier this year.

The advertising effort for the 3,700-store network of independents began in March and will run for six months, executives say, noting that the ads are acting as sort of a test to determine how a national campaign benefits store owners.

Since the campaign began the company has been …