I'd like to send this letter by <a href=" http://liffeysoundfm.ie/metrolag-500-mg-metronidazole.pptx#helium ">flagyl er 750 mg tablets</a> However, this trial still has some way to go before it concludes. The efficacy of the vaccine for infants and young children could well go down further still - it was higher at the 12-month stage - which would raise serious questions about its usefulness.