Re: "If You're Thinking of Buying...Anesthesia Services" (March, page 66). I want to comment on Dr. Adam Dorin's statement regarding anesthesia care by physicians alone or in a team approach with certified registered nurse anesthetists. Dr. Dorin implies CRNAs working as sole providers are a rarity. But according to the American Association of Nurse Anesthetists, CRNAs are the sole anesthesia providers in about two-thirds of all rural hospitals in the United States, enabling these healthcare facilities to offer obstetrical, surgical and trauma stabilization services. In some states, CRNAs are the sole providers in nearly 100 percent of the rural hospitals. CRNAs administer 65 percent of anesthetics in the United States, according to the AANA (writeOutLink("www.aana.com",1)).