I give you my method of working to have 19/20 in the BPH (human biophysiopathology) test at the ST2S 2019 tank. I graduated in 2017 with honors TB, thanks to scientific subjects that I had very good grades. My goal is to give you my best keys for maximum average bac. We work together on the theory, then apply it on repetitive typical exercises to accustom the brain to questions that come from different angles. So, we have no surprises the day!