However, there are some areas in which the already difficult considerations involving privacy, consent, ownership and return of results are further complicated by the additional collection and study of microbial DNA associated with humans.
So yes, the way you define ethnicity puts you immediately in a morass of difficult considerations.
"Of course, there are some difficult considerations about exactly how much to reveal on both sides - especially because the information given at this stage is generally admissible in the full trial".
Untargeted analysis has more difficult considerations regarding quantification, though using an internal standard infusion may help with both quantification as well as mass accuracy.
About 600,000 women a year have hysterectomies in the United States, usually only after a long and difficult consideration of the consequences.
Sustainability is an important and difficult consideration for the stakeholders/decision-makers when planning a biofuel supply network.
A further, more conceptually difficult consideration is the wider system effects of encouraging production of biofuel.
Letting big fires run wild is a difficult consideration for Americans who live close to the forest and other wild land areas.
"Regrettably, and after much careful and difficult consideration, we want to let you know that we won't be performing at Fyre Fest in the Bahamas this weekend and next weekend," the band wrote in a message on Twitter Thursday afternoon.
"Regrettably, and after much careful and difficult consideration, we want to let you know that we won't be performing at Fyre Fest in the Bahamas this weekend and next weekend," a statement from the band read.
