Please call back later <a href=" http://oceandelightcottages.net/cheap-tamoxifen-citrate.pdf ">tamoxifen citrate dosage cycle </a> Iran outlined a proposal to world powers on Tuesday onresolving the decade-old standoff over its nuclear programme,but both sides at the talks in Geneva warned it was too early tosay if a breakthrough was within reach. (Additional reporting by Florence Tan; Editing by ManashGoswami and Tom Hogue)