Cell number and cell characteristics of the normal human lung.
D000328:Adult; D002452:Cell Count; D002467:Cell Nucleus / Q000648:ultrastructure; D004727:Endothelium / Q000166:cytology; D005260:Female; D006801:Humans; D008168:Lung / Q000166:cytology* / Q000648:ultrastructure; D008264:Macrophages; D008297:Male; D012907:Smoking