It become evident that elements of ascaris or clonorchias such as ova or dead worm can participate directly in the development of the stone formation.

• 从这些研究，可以证明胆色素钙石形成原因一部份可以因为蛔虫或中华肝吸虫之感染造成，也就是由于寄生虫之虫体物或虫卵均可以直接参与胆石之形成的。