The phrase "a study using" is correct and usable in written English.
It is typically used in the context of research. For example, "The researchers conducted a study using a survey to measure the participants' attitudes toward the issue."
Again, very little useful information, if anything, in my opinion, can be gleaned from a study using a heterogeneous patient population in which all of them received some form of antibiotic.
In a study using 36 volunteers, Acambis achieved 100% success in stimulating antibodies to counter Japanese encephalitis - a mosquito-borne virus which kills 10,000 people annually.
The project was a study using routinely-generated behavioural data to explore student library use and how this relates to degree results.
And Antonia Giorgio Antonucci, an Italian physician, is leading a study using VeriChip at the National Institute for Infectious Diseases Lazzaro Spallanzani, in Rome.
Researchers from Harvard and the University of British Columbia have demonstrated this effect, called hedonic adaptation, in a study using real-life candy bars.
But it did run a study using Erbitux alone, which worked in only half the patients as the combination of Erbitux and irinotecan.
A study using a similar device, made by Medtronic, suggests that is the case.
That way, if he relapsed, he might be able to enter a study using the cells.
Toad numbers have fallen by more than two-thirds in 30 years, according to a study using data from volunteer patrols set up to help the amphibians cross roads.
For example, the league is piloting a study using tiny accelerometers, tucked away in the players' mouthguards or helmets, to more precisely measure how forceful a collision has to be to cause neurological symptoms.
I applaud Medicare for its plan to investigate preventive medicine by financing a study using Dr. Dean Ornish's diet plan with elderly heart patients ("Medicare to Run Diet Experiment for Critically Ill," April 11).
