NGOs take aim at paid web listings

Academics call for definition of what constitutes an ad

Search engine Baidu, which has been caught in public outcry over a man's recent death, was also suspected by several medical NGOs of presenting fake advertisements.

Chinadolls Center For Rare Disorders, one of the NGOs, said on Thursday that it had reported Baidu to Beijing's industry and commerce authorities for what it believed could be fake medical advertisements.