Further efforts are necessary to reach population groups with low participation rates.

Results: Four major population groups were identified, corresponding with physiographic provinces in Mexico.

Four population groups were surveyed for risk factors for cardiovascular disease.

Results: The distribution of blood pressure showed significant variability among these population groups.

The results appeared to be applicable to Chinese female population groups.

Fifteen studies encompassing 29 intervention for different population groups are included in the table.

This demand unites all the urban population groups that were observed, the research said.

The quality of healthcare should be consistently provided for all population groups, he said.

Mr Clark says that there are population groups who should avoid the keto diet.

FGDs were purposively sampled from drinkers and general population groups.

Blood group variants are characteristic of population groups, and can show conspicuous geographic patterns.

In conclusion, the effect of deprivation on TB treatment delays varies in different population groups.

So-called African Burkitt's lymphoma occurred in all population groups.

Counselling strategies seem to be relatively effective in promoting safer sex among these population groups.

The genetic heterogeneity among these population groups is considerable.

In Malaysia and Indonesia a less drastic operation is performed by some Moslem population groups.