1. Histochemical demonstration of carbonic anhydrase activity;Hansson;Histochemie,1961
2. Histochemical demonstration of carbonic anhydrase activity in some epithelia noted for active transport;Hansson;Acta physiol. scand.,1968
3. Carbonic anhydrase histochemistry, a critical study of Hansson's cobalt-phosphate method;Lönnerholm;Acta physiol. scand.,1914
4. Distribution of carbonic anhydrase in the frog nephron;Lönnerholm;Acta physiol. scand.,1974