over the years, the use of plastics has complicated the problem of disposal of solid wastes. one strategy to reduce plastic waste is the use of biodegradable plastics. a group of these plastics are polyhydroxyalkanoates (phas). to date more than 250 different microorganisms are known to synthesize and accumulate pha. most pseu-domonas strains are able to accumulate mcl-pha. in previous studies,...

has coordinated a terrifi c issue of Pediatric Annals, with a group of outstanding articles devoted to the child with complex medical needs. The fi rst four articles in the issue deal with the scien-tifi c and medical aspects of providing care to this patient population. Julie Hauer (see page 198) systematically clarifi es the mechanisms that cause pain in neurologi-cally impaired children, hig...

Following the death of a loved one, a small group of grievers develop an abnormal grieving style, termed complicated or prolonged grief. In the effort to establish complicated grief as a disorder in DSM and ICD, several attempts have been made over the past two decades to establish symptom criteria for this form of grieving. Complicated grief is different from depression and PTSD yet often como...

The temporal evolution of real world systems can mathematically be described by dynamical systems. Global, topological information on their long term behavior is given by corresponding invariant sets, which typically have a very complex structure. We describe a new, set oriented and hierarchical approach for the visualization of invariant sets and accompanying probability measures, which give s...

This eminently useful and practical, little volume is dedicated in. his centenary year to Sir James Y. Simpson, and represents the ripe experience of over 18 years on the staff of the Glasgow Maternity and Women's Hospital. The author is well known as the writer.of a good book on Clinical Obstetrics. The book claims rightly to be a "one man's book," the experience of one man, not a compilation ...