Most students think history taking is a script. The Unofficial Guide disagrees. It provides a :
The Unofficial Guide to Passing OSCEs: Why This PDF Deserves a Spot on Your Desktop the unofficial guide to passing osces pdf
If you cannot get a legal PDF, buy the physical book used (eBay/Camelot) and scan the 10 pages you actually need. Even the 2018 edition (2nd edition) will pass you for 80% of content. Most students think history taking is a script