"In Health Reform, a Cancer Offers an Acid Test," by David Leonhardt (Economic Scene column, front page, July 8), misses an essential principle in the genomic age of prostate cancer research: one cost and treatment cannot benefit every patient.
Anterior, posterior or circumferential stabilisation decision is based on the two essential principles in spine surgery, namely the "tension band principle" and the "load-sharing principle".
An absolutely essential principle in that process is this: We can't fully trust anything, because even the best information sources get things wrong at times, so we should be skeptical of absolutely everything we see, hear and watch.
The essential principles involved in the construction of the CN-net are discussed in detail.
The principle that human experiments should have some redeeming social value has been an essential principle in human experimentation since the adoption of the Nuremberg Code (1949).
The essential principle in intelligent scheduling is to reshape the load profile by charging the EV battery from the grid at the time when the demand is low and discharging the EV battery to the grid when the demand is high (Li et al. 2010; Shireen & Patel 2010).
"The existence of Sunday work is a reality," Mr. Ayrault said in a statement, but it added: "Sunday rest is an essential principle in terms of protecting workers and social cohesion".
Sustainable development or sustainability has been highlighted as an essential principle in urban master planning, with increasing recognition that uncontrollable urbanization may well give rise to various issues such as overexploitation of natural resources, ecosystem destruction, environmental pollution and large-scale climate change.
Organic evolution is the essential principle involved in the use of fossils for stratigraphic correlation.
Were it to do otherwise, it would instantly confuse religion with citizenship, bring religious consciences somehow under pressure, and thus violate the essential principle enshrined in the First Amendment.
