Rhetorical Strategies used in the article The Bitter Pill

Paper details:

Carefully read Bitter Pill. This is a lengthy text where the author uses a variety of rhetorical strategies to explore the inconsistencies in medical billing.

Select ONE of the rhetorical strategies:
Personal stories/case studies of patients
Technical and/or company documents
Interviews/references to medical/political personnel OR Comparison/contrast organization

Write a well-developed 2-3 paragraphs that explains how that rhetorical strategy supports his overall argument.