The exact rules in the AMA Manual of Style can be found in the link below.
Cialis. Package insert. Eli Lilly & Company; 2020.
Azilect. Package insert. Teva Pharmaceuticals Inc.; 2014.
Duloxetine. Package insert. Ascend Laboratories, LLC; 2019.
The exact rules in the AMA Manual of Style can be found in the link below.