Environmental Health Perspectives • volume 120 | number 10 | October 2012 A 383 As Morfeld noted in his letter, adjustment for the healthy worker survivor effect is complex. We do not claim that adjustment using employment duration completely adjusts for a healthy worker survivor effect, but our results provided evidence that it is present in this cohort and should be addressed. The authors dec...

Environmental Health Perspectives • volume 120 | number 10 | October 2012 A 383 As Morfeld noted in his letter, adjustment for the healthy worker survivor effect is complex. We do not claim that adjustment using employment duration completely adjusts for a healthy worker survivor effect, but our results provided evidence that it is present in this cohort and should be addressed. The authors dec...

abstract background: workplace exposures as in clinical work can cause disorders. some organ systems are at risk. this work may be a risk factor for early symptoms of menopause. the objective of this study was to compare the early symptoms of menopause between hospital personnel who work in clinical and office settings. materials and methods: this was a historical cohort study conducted on clin...

Chronic bee paralysis virus (CBPV) is known as a disease of worker honey bees. To investigate pathogenesis of the CBPV on the queen, the sole reproductive individual in a colony, we conducted experiments regarding the susceptibility of queens to CBPV. Results from susceptibility experiment showed a similar disease progress in the queens compared to worker bees after infection. Infected queens e...