APA Style

Marschall HU, et al. (). Gallstone disease . : .

Chicago Style

Marschall HU, et al. Gallstone disease. : , . LITERATURE.

MLA Style

Marschall HU, et al. Gallstone disease. : , . LITERATURE.

Turabian Style

Marschall HU, et al. Gallstone disease. : , . LITERATURE.