1. Ahmed EI, Zehr JL, Schulz KM, Lorenz BH, Don Carlos LL, Sisk CL (2008) Pubertal hormones modulate the addition of new cells to sexually dimorphic brain regions. Nat Neurosci 11:995–997
2. AMAP (1998) Arctic monitoring and assessment programme: AMAP Assessment Report – Arctic Pollution Issues 1998; Oslo. www.amap.no
3. AMAP (2004) Arctic monitoring and assessment programme: AMAP Assessment 2002 – Persistent Organic Pollutants in the Arctic 2004; Oslo. www.amap.no
4. AMAP (2005) Arctic monitoring and assessment programme: AMAP Assessment 2002 - Heavy Metals in the Arctic 2005; Oslo. www.amap.no
5. AMAP (2009) Arctic monitoring and assessment programme: AMAP Assessment 2009 – Human health in the Arctic 2009; Oslo. www.amap.no