Try these:
Connecticut:
Wilton ~ South Wilton Vet Group, Nick Stitnas D.V.M., 3 Danbury Road 06897 (203) 762-2002
New Hampshire:
Concord ~ Fisherville Animal Hospital, George Messenger D.V.M., 108 Fisherville Road 03303 (603) 229-0674
Merrimack ~ Merrimack Vet Hospital, Dennis Chmiel D.V.M., 235 Daniel Webster Hwy. 03054 (603) 424-9922
Vermont
Milton ~ Milton Veterinary Hospital, Anne K.G. Bazilwich D.V.M., 2 Chrisemily Lane 05468 (802) 893-4000
If they can't help you, I'd call vets from this list or this list and see if they can help.