Smoke signals snuffed out in San Francisco.
Lehrman
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D005380:Financing, Government; D007221:Industry; D009316:National Institutes of Health (U.S.) / Q000191:economics; D010947:Plants, Toxic; D011057:Politics; D011640:Public Policy; D012109:Research Support as Topic; D012495:San Francisco; D012907:Smoking / Q000009:adverse effects; D014026:Nicotiana; D014481:United States