A global analysis of coral bleaching over the past two decades

diagnostic factors of odontogenic cysts in iranian population: a retrospective study over the past two decades

conclusions the current study showed that clinicians should consider the many factors associated with the occurrence of odontogenic cysts. objectives the current study aimed to evaluate the frequency of odontogenic cysts and related factors in a selected iranian population. patients and methods the current cross-sectional study was conducted on 312 patients’ recorded data in taleghani hospital,...

a comparative analysis of the marginal microleakages of two pit and fissure sealans, conseal-f and conseal clear

چکیده ندارد.

Rectal cancer: progress over the past two decades.

Changes in Earth's reflectance over the past two decades.

We correlate an overlapping period of earthshine measurements of Earth's reflectance (from 1999 through mid-2001) with satellite observations of global cloud properties to construct from the latter a proxy measure of Earth's global shortwave reflectance. This proxy shows a steady decrease in Earth's reflectance from 1984 to 2000, with a strong climatologically significant drop after 1995. From ...

Childhood leprosy in India over the past two decades.

OBJECTIVES Clinico-epidemiological pattern of childhood leprosy in India over the past two decades were analysed from the Indian studies conducted during the years 1990-2009. RESULTS Twelve studies on childhood leprosy were included. Ten were conducted in health institutions and one was a community-based survey. Voluntary reporting was the principal method of case detection; community survey ...