How much notice do you have to give? <a href=" http://keaneynevin.ie/?synthroid-price-walmart.pptx#strict ">synthroid 0.88 mg</a> Because the lentiviruses appear safe and work so well, scientists may start doing gene therapy for more common conditions such as Parkinson’s disease, says Senlin Li, a medical researcher at the University of Texas Health Science Center at San Antonio.