Tentative estimates, using three‐dimensional chemistry and transport models, have suggested
small ozone increases in the upper troposphere resulting from current aircraft emissions, …

Background Successful tracheal intubation during general anaesthesia traditionally
requires a line of sight to the larynx attained by positioning the head and neck and using a …

Tracheal intubation in coronavirus disease 2019 (COVID-19) patients creates a risk to
physiologically compromised patients and to attending healthcare providers. Clinical information …

… Phone: +44 1225 825056/7; Fax: +44 1225 825061; E-mail timcook@ukgateway.net Conflict
of interest: Dr. Tim Cook has received honoraria for lecturing from Intavent Orthofix and the …

Background: The recent outbreaks of avian influenza (H5N1) have placed a renewed
emphasis on preparing for an influenza pandemic in humans. Of particular concern in this …

The novel coronavirus Severe acute respiratory syndrome Corona virus-2 (SARS-CoV-2) has
rapidly spread across the world from its origin in Wuhan, China in late 2019. The resultant …

The potential aerosolised transmission of severe acute respiratory syndrome coronavirus‐2
is of global concern. Airborne precaution personal protective equipment and preventative …

Understanding the evolution of Arctic polar climate from the protracted warmth of the middle
Pliocene into the earliest glacial cycles in the Northern Hemisphere has been hindered by …

Clio's Warriors examines how the Canadian world war experience has been constructed and
reconstructed over time. Tim Cook elucidates the role of historians in codifying the sacrifice …

Background Tracheal intubation is a common procedure performed to secure the airway in
adults undergoing surgery or those who are critically ill. Intubation is sometimes associated …