Bplans.com has access to sample business plans that can be helpful to review when developing a business plan on your own. Type in "Pharmacy" in the search box to locate a Pharmacy Business Plan in a retail environment.
In addition, the following sample business plans can be downloaded for additional context:
Writing and Presenting a Business Plan by 
Anatomy of a Business Plan by 
How to Write a Business Plan by 
Pharmacy Management: Essentials for All Practice Settings by 
Wisdom from the Pharmacy Leadership Trenches by 
The Pharmacy Leadership Field Guide by 
Quality and Safety in Pharmacy Practice by 