HD Procedures Hip Dysplasia Radiograph Procedures OFA (Orthopedic Foundation for Animals) OFA (Orthopedic Foundation for Animals) Orthopedic Foundation for Animals OFA (Orthopedic Foundation for Animals) http://www.offa.org/hd_procedures.html OFA (Orthopedic Foundation for Animals) Orthopedic Foundation of America certification OFA Radiographs http://www.offa.org/ http://www.offa.org/hd_procedures.html OFA X-Ray Procedures Hip Dysplasia OFA (Orthopedic Foundation for Animals) http://www.offa.org/ http://www.offa.org/hd_procedures.html Orthopedic Foundation of America certification Testing http://www.offa.org/hd_procedures.html Testing OFA (Orthopedic Foundation for Animals) Radiographic Procedures