[13] Philip Morris Circular No 390, December 31, 1969,, retrieved from Truth Tobacco Industry Documents [14] Internal memo dated October 18, 1971 - Multifilter test markets,, retrieved from Truth Tobacco Industry Documents [15] 'Brand Performance in the Cigarette Industry and the Advantage to Early Entry, 1913-74' by Ira Taylor Whitten [17] 'Mini biography of Walter Landor', retrieved from Truth Tobacco Industry Documents [17] 'Materials Department, Philip Morris, Europe' January 1974, retrieved from Truth Tobacco Industry Documents [18] 'Life-course Smoking Behavior Patterns and National Context in Ten Countries' by Dean Reginald Lillard, Rebekka Christopoulou, published by Oxford University Press in 2015, page 255
For the last two years of her life, Linda was virtually housebound
It doesn't work against viruses
Besides, the United States also mandates clear health warnings on packs of smoke
Data from the NHANES can be accessed by visiting the NHANES website