Ljunghall, S. (1978). Regional variations in the incidence of urinary stones.
Dyfyniad Arddull ChicagoLjunghall, Sverker. Regional Variations in the Incidence of Urinary Stones. 1978.
Dyfyniad MLALjunghall, Sverker. Regional Variations in the Incidence of Urinary Stones. 1978.
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