Lyngstadaas Syndrome (named after Professor Ståle Petter Lyngstadaas) is a rare liver disease involving an enzyme (steroid dehydrogenase) deficiency and dental anomalies.
Petter Solberg | Johan Petter Johansson | Petter Stordalen | Petter Adolf Karsten | Nils Petter Molvær | W.E.W. Petter | Hans Petter Moland | W.E.W. "Teddy" Petter | Ståle Petter Lyngstadaas | Petter Wettre | Petter Pilgaard | Petter Olsen | Petter Næss | Petter Hugsted | Paul Petter Waldenström | Charles Petter |