A concerted effort to tackle the global health problem posed by traumatic brain injury (TBI) is
long overdue. TBI is a public health challenge of vast, but insufficiently recognised, …

Although deep surgical site infection (SSI) is a major complication of primary total hip
arthroplasty (THA), there are conflicting data regarding the incidence of deep SSI, and no …

Emergency departments (EDs) in many developed countries are experiencing increasing
pressure due to rising numbers of patient presentations and emergency admissions. Reported …

Background There has been an outbreak of the severe acute respiratory syndrome (SARS)
worldwide. We report the clinical, laboratory, and radiologic features of 138 cases of …

This book is an extensive rewrite of Graphs, codes and designs by the same authors. As well
as taking the opportunity to update the material, the text has been expanded with a more …

… One interim analysis was planned and performed after the enrollment of 50% of the patients,
with the use of a two-sided, symmetric O’Brien–Fleming design and a two-sided P value of …

… We see that P has one orbit of size 1 on E (itself), and all other orbits have size divisible by …
containing P) has size congruent to 1 mod p, and all the others (if any) have size divisible by p…

… I am grateful to many colleagues, friends and students for all kinds of contributions, some
of which are acknowledged in the text; and to Neill Cameron, for the illustration on p. 128. …

The final chapter in the long-standing mystery of the γ-ray bursts (GRBs) centres on the origin
of the short-hard class of bursts, which are suspected on theoretical grounds to result from …

… e ft, there exists g e G with ag = p. In general, the relation ~ on ft defined by the rule that a ~
P if ocg = P for some ge G is an equivalence relation, whose equivalence classes are called …