1997 The following supplement to the original (1997) field guide is available:

Based on the image morphology technology and takes IEEE 1394 digital camera as the image catching tool, which is to be able to check the number of the actual contacts of each area on the box guide ways and the distribution uniformity of each area of machine. By setting from an experienced scraping technician as example, there should be around 16~24 points on the bearing surface per square inch ...

background many countries conduct health impact assessment (hia) of their projects and policies to predict their positive and negative health impacts. in recent years many guides have been developed to inform hia practice, largely reflecting local developments in hia. these guides have often been designed for specific contexts and specific need, making the choice between guides difficult. the o...

occipital neuralgia is a condition manifested by chronic occipital headaches and is thought to be caused by irritation or trauma to the greater occipital nerve (gon). treatment for occipital neuralgia includes medications, nerve blocks, and pulsed radiofrequency ablation (prfa). landmark-guided gon blocks are the mainstay in both the diagnosis and treatment of occipital neuralgia. ultrasound is...

In the April issue of the British Heart Journal de Feyter et al from the Thoraxcenter described their angioplasty experience with the monorail technique in 1000 patients.' The results were excellent with success in 920O of cases and major complications in only 3.30O* They concluded that the monorail technique is safe and effective but, in the absence of a randomised trial, were careful to avoid...