The Medical Aspects of the Modern "Sky Scraper".
D000392:Air Movements; D000393:Air Pollutants / Q000266:history; D001108:Architecture / Q000266:history*; D002641:Chicago; D002947:Cities / Q000266:history*; D003252:Construction Materials / Q000266:history; D049672:History, 19th Century; D006801:Humans; D009519:New York City; D011634:Public Health / Q000266:history*; D013232:Steel / Q000266:history; D013472:Sunlight; D014506:Urban Renewal / Q000266:history
D000393:Air Pollutants; D013232:Steel