Archibald Macallum
...that Canadian biochemist Archibald Macallum used measurements of ionic concentrations in blood sera to argue for the ancient marine origin of all vertebrates?
...that Canadian biochemist <b id="mwE6Y"><a href="./Archibald_Macallum" id="mwE6c" rel="mw:WikiLink" title="Archibald Macallum">Archibald Macallum</a></b> used measurements of ionic concentrations in <a class="mw-redirect" href="./Blood_sera" id="mwE6g" rel="mw:WikiLink" title="Blood sera">blood sera</a> to argue for the ancient marine origin of all <a href="./Vertebrate" id="mwE6k" rel="mw:WikiLink" title="Vertebrate">vertebrates</a>?