I can't get a dialling tone http://www.gohardindaapaint.com/metformin-500-mg-dosage-for-pcos-a165.pdf#wheels difference between metformin sr and er  A Post Office spokesman said: "We are disappointed that Unite has chosen to call industrial action at a time when we are continuing constructive discussions to resolve the current dispute. We are confident that the majority of our managers do not support this action and will be working as normal on Friday.