Ronald Grossarth-Maticek
... that medical scholar Ronald Grossarth-Maticek directed a long-term study involving 30,000 people from 18,000 households, spanning more than 20 years?
... that medical scholar <b id="mwkA"><a href="./Ronald_Grossarth-Maticek" id="mwkQ" rel="mw:WikiLink" title="Ronald Grossarth-Maticek">Ronald Grossarth-Maticek</a></b> directed a long-term study involving 30,000<span id="mwkg" typeof="mw:Entity"> </span>people from 18,000<span id="mwkw" typeof="mw:Entity"> </span>households, spanning more than 20<span id="mwlA" typeof="mw:Entity"> </span>years?