Roger W. Gfeller

Handbook of Small Animal Toxicology and Poisonings  Roger W. Gfeller Gfeller Messonnier Paperback. Mosby, 2003-09-22 ISBN 9780323012461     Handbook of Small Animal Toxicology & Poisonings  Roger W. Gfeller Shawn P. Messonnier Paperback. Mosby-Year Book, 1997-11-01 ISBN 9780815164548     First Aid: Emergency Care for Dogs and Cats  Roger W. Gfeller Michael W. Thomas Paperback. Pet Care Books, 1994-07-08 ISBN 9780964463707