<a rel="mw:WikiLink" href="https://en.wikipedia.org/Sigmund_Freud" title="Sigmund Freud" id="mwpA">Sigmund Freud</a> reviewed Mitchell's book on <i id="mwpQ">The Treatment of Certain Forms of Neurasthenia and Hysteria</i> in 1887; and used <a rel="mw:WikiLink" href="https://en.wikipedia.org/Electrotherapy" title="Electrotherapy" id="mwqg">electrotherapy</a> in his work into the 1890s.