anti-corruption campaign
... that 99 high-ranking officials in China have been implicated in an anti-corruption campaign that began in 2013?
... that 99 high-ranking officials in China have been implicated in an <b id="mwA7w"><a class="mw-redirect" href="./Anti-corruption_campaign_in_China" id="mwA70" rel="mw:WikiLink" title="Anti-corruption campaign in China">anti-corruption campaign</a></b> that began in 2013?