2 C, the cross-sectional age-specific incidence rate (The trend of incidence in different time periods) of hepatitis B in China showed a trend of increasing with age.
← all excerpts
Spatial and temporal distribution patterns and factors influencing hepatitis B in China: a geo-epidemiological study.
2
—
—
The sentences
From 2004 to 2007, hepatitis B in China showed an increasing trend.