Problems and priorities in combating air, water, and soil pollution in developing countries.
D000397:Air Pollution / Q000517:prevention & control*; D001330:Electronic Data Processing; D004777:Environment; D004782:Environmental Health; D006285:Health Planning; D011158:Population Growth; D011315:Preventive Medicine; D012037:Refuse Disposal; D012987:Soil; D013020:South America; D014481:United States; D014505:Urban Population; D014506:Urban Renewal; D014876:Water Pollution / Q000517:prevention & control*; D014944:World Health Organization
D012987:Soil