Helen Poulsen

Learn More
Alcohol is a drug known to impair the ability to drive safely and is acknowledged as a major factor in New Zealand road crashes. However, the use of other impairing drugs by New Zealand drivers is largely unknown. This paper reports the prevalence of drug use by drivers killed on New Zealand roads. As this is a biased population sample the results can only(More)
Over a period of five years, blood samples were taken from 1046 drivers killed as a result of a motor vehicle crash on New Zealand roads. These were analysed for the presence of alcohol and a range of both illicit drugs and psychoactive medicinal drugs. Driver culpability was determined for all crashes. The control group of drug- and alcohol-free drivers(More)
The results of an indoor hydroponic Cannabis growth study are presented. It is intended that this work will be of assistance to those with an interest in determining an estimation of yield and value of Cannabis crops. Three cycles of six plants were grown over a period of 1 year in order to ascertain the potential yield of female flowering head material(More)
The potency of cannabis plant and cannabis products seized in New Zealand over the period of 20 years is studied. The earlier part of the study includes mainly imported cannabis oil and cannabis resin, and both imported and locally grown cannabis plant, that was seized by the police. The later part of the study includes little imported material. Cannabis(More)
Edna Acosta Pérez Marife Aczon-Armstrong Amanda Allison Stephanie Ayers Darshini Ayton Sunday Azagba Tom Baranowski Lauren Bartsch Anamica Batra Elizabeth Baumler Angela Begle Cady Berkel Craig Blakely Deborah Bowen Charlotte Lyn Bright Craig Brookins Blakely Brown Callie Brown Stacey Brown Brittany Bugbee Kim Caldeira Nathan Call Scott Carvajal Felipe(More)
  • 1