skin flora
... that human skin flora includes roughly 1,000 species of bacteria?
... that human <b id="mwFxg"><a href="./Skin_flora" id="mwFxk" rel="mw:WikiLink" title="Skin flora">skin flora</a></b> includes roughly 1,000 species of <a href="./Bacteria" id="mwFxo" rel="mw:WikiLink" title="Bacteria">bacteria</a>?