To date, this is the only study to evaluate the phylogeny and concentration of SRB in any livestock waste storage system.
Also, this is the only study which included only medical patients.
This is the only study to report pulmonary haemodynamic indices longitudinally.
Altogether, this is the only study in the entire set that confirms the importance of all four factors (Scott 1993a).
This is the only study that has highlighted the important functionalities that an affective game engine must support.
This is the only study so far to examine the impact of ED crowding on triage destination.
To our knowledge, this is the only study researching the value of MPO as a biomarker predicting mortality in the ICU.
However, as this is the only study to use the ABC technique, further insight into the technique cannot be derived from the literature.
While this is the only study that has examined memory training in adults, other researchers have examined memory training in children and adolescents.
The study's authors, Elin Kondrad, MD and Alfred Reid, MA, say that to their knowledge this is "the only study of physician attitudes toward medical marijuana ever done in a state where medical marijuana has been legalized".
However, this is the only study to our knowledge that examined patient choice of survey modality in the ED.
