On Thu, May 28, 2015 at 08:36:53PM -0400, Juanjuan Xu wrote: > RT??? > > ?????????????????????????????? > I believe in the USA chlortetracycline and erythromycin require a doctor's prescription and may not legally be sold otherwise. ////jerry ================================================================ To Subscribe or Unsubscribe CSSAMSU mailing list, please go to: http://list.msu.edu/archives/cssamsu.html Click "Join or leave the list". For further assistance, please contact Jerry McAllister [log in to unmask] ================================================================