background & purpose: there are occupational hazards related to nitrous oxide (n2o) in hospitals operating and recovery rooms. these hazards include the decrease of mental performance and audio-visual ability, and reduced fertility, spontaneous abortion and neurological, renal and liver diseases. in this survey, the concentration of nitrous oxide in indoor air of hospitals operating and recover...

Respiratory insufficiency is the leading cause of death after high-cervical spinal cord injuries (SCIs). Although respiratory motor recovery can occur with time after injury, the magnitude of spontaneous recovery is limited. We hypothesized that partial respiratory motor recovery after chronic cervical SCI could be strengthened using a known stimulus for spinal synaptic enhancement, intermitten...

Pearson syndrome (PS), a rare multisystem mitochondrial disorder caused by single large-scale DNA (mtDNA) deletions (SLSMDs), commonly presents with anaemia in infancy.1, 2 Progressive multi-organ dysfunction such as lactic acidosis, pancreatic and renal dysfunction, failure to thrive endocrine disorders can develop during the course.1, 3 Interestingly, often resolves spontaneously; frequency p...