The arrest warrant might keep him from returning to the country, where Ms. Bhutto's husband, Asif Ali Zardari, is now president and struggling to cope with multiple challenges, including a stubborn Taliban insurgency and a stagnant economy.
On abandoned agricultural fields, shrub restoration is hindered by multiple challenges, including erosion, water stress and invasive species.
However, most of the reported radiotracers failed to visualize COX-2 in vivo due to multiple challenges including low metabolic stability, insufficient inhibitory potency and specificity for COX-2, and high non-specific binding to other targets.
Despite recent therapeutic success, it is still not common because a large number of transplanted islets get damaged by multiple challenges including instant blood mediated inflammatory reaction, hypoxia/reperfusion injury, inflammatory cytokines, and immune rejection.
Clinical trials in head and neck cancer (HNC) face multiple challenges including low global incidence, excessive patient comorbidity rate, high treatment-related toxicity and more recently a changing tumor biology landscape.
Even in contexts of favorable support at the general level like in Brazil, their implementation faces multiple challenges, including low awareness, misperceptions, insufficient communication, and eco-labels' mixed record as information enhancing tools.
Elderly care home residents present multiple clinical challenges including multiple and progressive morbidity, cognitive impairment, general frailty, and psychosocial distress [ 3, 4].
The Arizona law includes a number of provisions aimed at driving undocumented immigrants out of the state and drew multiple legal challenges, including from the Justice Department and civil rights groups, and cost the state money in legal fees, boycotts and dips in tourism.
Montreal-Nord faces multiple socio-economic challenges, including high levels of poverty and unemployment, and low levels of education among adults.
MSM in India experience multiple and complex challenges, including stigmatization and discrimination, which may put them at risk for alcohol use and unprotected sex [ 23, 48].
However, these sensors have some technical challenges, including multiple chemical interferences, relatively narrow dynamic ranges, and the need for in situ calibration (Luther et al. 2012).
