Additional Note on Helicina Occulta

An additional note on malignancy in plantar ulcers in leprosy.

G G r Machine Repair Problem with Spares and Additional Repairman (TECHNICAL NOTE)

The machine repair problem with spares and additional repairman is analyzed. The interfailure and repair times of the units are general identical and independently distributed. The failure and repair rates are assumed to be state dependent. Using diffusion approximation technique, we obtain the queue size distribution under steady state. The average number of failed units, average number of ope...

M M m K Queue With Additional Servers and Discouragement (RESEARCH NOTE)

Waiting in long queue is undesirable due to which in some practical situations customers become impatient and leave the system. In such cases providing additional servers can reduce long queue. This investigation deals with multi-server queueing system with additional servers and discouragement. The customers arrive in poisson fashion and are served exponentially by a pool of permanent and addi...

Limacina helicina threatened by ocean acidification

Key Arctic pelagic mollusc (Limacina helicina) threatened by ocean acidification S. Comeau, G. Gorsky, R. Jeffree, J.-L. Teyssié, and J.-P. Gattuso CNRS-INSU, Laboratoire d’Océanographie de Villefranche, BP 28, 06234 Villefranche-sur-Mer Cedex, France Université Pierre et Marie Curie-Paris 6, Laboratoire d’Océanographie de Villefranche, 06230 Villefranche-sur-Mer Cedex, France Marine Environmen...

Note from the Editor: Additional Changes for Authors

In the May 2008 issue of EHP, I indicated in the editorial “Recent Changes at Environmental Health Perspectives” that we were planning to implement a new web-based manuscript submission and tracking system. I am pleased to announce that, as of 15 July 2008, all manuscripts submitted to the journal are being handled by ScholarOne’s Manuscript Central. We are joining more than 170 societies and p...