1. Historical and geographical differences in the pattern of incidence of urinary stones considered in relation to possible aetiological factors;Andersen,1969
2. Environmental Factors in the Aetiology of Urolithiasis;Andersen,1973
3. History of bladder stone disease;Andersen,1976
4. The pattern of urolithiasis in the Royal Navy;Blacklock,1969
5. Epidemiology of urolithiasis;Blacklock,1976