12/15/07 -- Worcester, MA - Solicitation charges against a doctor and lawyer arrested in a prostitution sting last month were continued without pleas or findings yesterday in Central District Court. Dr. Peter A. Rice, 65, of 3 Country Lane, Southboro, and lawyer Conrad M. Swartz, 65, of 12 Crowningshield Drive, Paxton, were charged Nov. 10 with engaging, agreeing to engage or offering to engage in sex for a fee after they allegedly solicited sex from an undercover police officer posing as a prostitute in the Main South section of the city. They were among about 20 people arrested in the two-day sting. Dr. Rice, a specialist in infectious and sexually transmitted diseases and author of more than 145 professional publications in the field, told the Telegram & Gazette he was “gathering information” at the time of his arrest and was not guilty of the charge. A staff member at UMass Memorial Medical Center and a professor at the University of Massachusetts Medical School, Dr. Rice was placed on leave after being charged, a UMass spokesman said.Dr. Rice and Mr. Swartz were both placed on pretrial probation for 60 days yesterday and ordered to complete a program designed to teach prostitutes’ customers about the dangers of paying for sex.