Kang Laiyi
... that Chinese doctor Kang Laiyi spent more than 30 years researching the epidemiology of HIV?
... that Chinese doctor <b id="mwBaE"><a href="./Kang_Laiyi" id="mwBaI" rel="mw:WikiLink" title="Kang Laiyi">Kang Laiyi</a></b> spent more than 30<span id="mwBaM" typeof="mw:Entity"> </span>years researching the <a href="./Epidemiology" id="mwBaQ" rel="mw:WikiLink" title="Epidemiology">epidemiology</a> of <a href="./HIV" id="mwBaU" rel="mw:WikiLink" title="HIV">HIV</a>?