Hellstern, A., Leuschner, M., Frenk, H., Dillinger, H. W., Caspary, W., & Leuschner, U. (1990). Gall stone dissolution with methyl tert-butyl ether: How to avoid complications.

Hellstern, A., M. Leuschner, H. Frenk, H W. Dillinger, W. Caspary, and U. Leuschner. Gall Stone Dissolution With Methyl Tert-butyl Ether: How to Avoid Complications. 1990.

Hellstern, A., et al. Gall Stone Dissolution With Methyl Tert-butyl Ether: How to Avoid Complications. 1990.