Scent Training
Canine Olfaction: Scent, Sign,
and Situation (pdf)
Cancer Detection Dogs
http://www.dailymail.co.uk/health/article-2062000/The-dogs-detect-cancer-Meet-legged-bio-detectives-pioneering-health-revolution.html
http://edition.cnn.com/video/data/2.0/video/health/2014/01/31/dogs-taught-to-sniff-out-cancer.cnn.html
Bed Bug Detection Dogs
Bomb Detection