Thanks so much for the above papers. Being a novice at this, I wondered if you could explain some of the abbreviations. NHV=New Haven V----- WV , CC, HV, WatV, CT1, CT2, NHT1, F,No HV, NoHx (In the medical field this would be no history), FarmV,CV, NHC2, EHC, EHT. Thanks for your help. Judy Brooks Truchon