canine hydrotherapy
... that canine hydrotherapy was initially used only to treat racing greyhounds?
... that <b id="mwBL0"><a href="./Canine_hydrotherapy" id="mwBL4" rel="mw:WikiLink" title="Canine hydrotherapy">canine hydrotherapy</a></b> (<i id="mwBL8">pictured</i>) was initially used only to treat <a href="./Greyhound_racing" id="mwBMA" rel="mw:WikiLink" title="Greyhound racing">racing greyhounds</a>?