1. Ionization, pH and biological activity;Albert;Pharmacol. Reviews,1952
2. The permeability of mammalian salivary glands for organic non-electrolytes;Amberson;J. cell. comp. Physiol.,1932
3. A new coupling component for sulfanilamide determination;Bratton;J. biol. Chem.,1939
4. The secretion of non-electrolytes in the parotid saliva;Burgen;J. cell. comp. Physiol.,1956
5. Davson , H. J. F. Danielli The permeability of natural membranes , Cambridge 1943 194