old tobacco signs DUTCH MASTERS CIGARs advertising metal tin sign home decor and fine detail. Antique Double-Sided Flange Tobacco Advertising

History Charred tobacco seeds recently discovered by archeologists in an ancient Utah fireplace suggest that humans have used tobacco for over 12,300 years

Pneumothorax when air leaks into the space between your lung and the chest wall

All expression plasmids were constructed using the plasmid vector pcDNA3.1(+) and a T4 ligase approach

[252] Employers are exempt from minimum wage requirements if a farm did not utilize more than 500 man days of agricultural labor in any calendar quarter of the preceding calendar year, with a man day defined as any day during which an employee performs agricultural work for at least one hour