usage and dosage: take orally, decoct in soup, 15-3g, or cut fresh to get juice. (Chinese materia medica
Vol. 14
5.53)
There is no use of pumpkin stem to treat stones in the regular medical books. I have never heard of it. If you want to treat calculus, don't buy Lysimachia christinae boiled water as tea. Take Endothelium Corneum Gigeriae Galli powder three times a day, 1g each time. This effect is good.