Relating Onset of Health Conditions to Changes in Tobacco/Nicotine Use — Analyses based on the U.S. PATH Study * Investigation of Continuous Flow Methods for Determining the Content of Reducing Sugar in Tobacco * Selected Phenolic Compounds in Mainstream Cigarette Smoke, CORESTA Collaborative Study and Recommended Method * Two Techniques for the Analysis of WS-3 With Potential Application to the Analysis of Other Cooling Agents *