1. Pfizer’s Trovan trial during a 1996 meningitis epidemic in Nigeria 
http://blog.naver.com/dosier/130084132267

2. Pfizer’s Trovan trial during a 1996 meningitis epidemic in Nigeria : MSF
http://blog.naver.com/dosier/130084132120

3. Pfizer’s Trovan trial during a 1996 meningitis epidemic in Nigeria : Pfizer’s statement, FDA
http://blog.naver.com/dosier/130084133037

4. Pfizer’s Trovan trial during a 1996 meningitis epidemic in Nigeria : Ethical !! Globalized clinical trials
http://blog.naver.com/dosier/130084144736

5. Pfizer’s Trovan trial during a 1996 meningitis epidemic in Nigeria : Polio vaccine boycott, outbreak
http://blog.naver.com/dosier/130084150398