Although seismic crews now conduct surveys with vibrating trucks instead of detonated dynamite, their convoys, despite wide, tanklike treads that are designed to spread the weight of 10-ton vehicles, still can leave persistent scars even when traveling on frozen ground.
"We've had a deep recession that's lingering for quite a while, and the question is: Will it leave persistent scars?" Laura Tyson, chief economic adviser to President Clinton, counts herself firmly in the new-normal camp: "I think we're going to have slower growth, a higher household savings rate and an elevated unemployment rate for several years".
Indeed, in a recent review of the functional significance of antigen retained on FDC, Kosco-Vilbois suggests the observation that B-cell responses are independent of FDC-associated antigen is only valid in mice that are immunised with forms of antigen that leave persistent depots [31].
Read the report and you're left with persistent doubts that the world, and especially the US, is capable of changing fast enough.
DiCarlo added, however, that residents were on edge over the possibility of looters taking what they have left, a persistent fear among those in New York's most affected areas.
Obama said last week that the legacy of discrimination had left a persistent economic gap between blacks and whites, but that the civil rights movement's impulse for equality had spread to Hispanics, immigrants, gays and others.
4 6 Left untreated, persistent chlamydia can result in serious sequelae including pelvic inflammatory disease, ectopic pregnancy and tubal infertility in women and epididymitis and epididymo-orchitis in men.
Many patients are left with persistent mobility deficits, even those who were very active prior to the fracture event [ 18, 19].
On the left side a persistent left superior vena cava is seen draining into the coronary sinus (d), which is enlarged, too.
