Weighted life expectancy as a health status index.
D000354:Africa, Western; D006262:Health; D006285:Health Planning; D006801:Humans; D008017:Life Expectancy; D009017:Morbidity; D009026:Mortality; D011336:Probability; D012945:Social Values; D013188:Sri Lanka; D013812:Therapeutics; D014481:United States