31.   One third of her charges are severely impaired, and the rest have minor health problems ranging from low birth weights to rickets.

32.   Say I go to a Web site and I look up books on low birth weight and prenatal care in developing countries.

33.   Researchers at the National Institute of Child Health and Human Development Neonatal Research Network used two groups of infants with low birth weights.

34.   Researchers who studied infants with low birth weights have found that doses of vitamin A can significantly lower their risk of chronic lung disease and other problems.

35.   Scientists, the report said, are beginning to document associations between chronic oral infection and diabetes, heart disease, stroke and even babies with low birth weights.

36.   Such mothers are less likely to produce babies with low birth weights, a condition closely tied to infant mortality.

37.   Still, the state is near the bottom of some glaring health statistics, such as infant mortality and low birth weight babies.

38.   Sustiva is an antiretroviral drug, but not in the protease inhibitor class, a class the study tentatively associated with low birth weight.

39.   The Birthing Project is about more than reducing infant mortality and low birth weight among African-American babies.

40.   The discovery, by a researcher at Southampton University, might help explain a controversial link between low birth weight and heart disease later in life.

a. + birth >>共 241
premature 8.71%
low 8.45%
partial 7.51%
vaginal 2.95%
illegitimate 2.82%
home 2.68%
so-called 2.41%
first 2.28%
difficult 2.14%
new 1.88%
low + n. >>共 803
pressure 7.49%
price 5.69%
level 5.04%
inflation 4.51%
rate 3.56%
heat 2.94%
cloud 2.62%
point 1.85%
unemployment 1.82%
turnout 1.76%
birth 0.33%
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