The core of the candle problem.
Potera
C
C
D000336:Aerosols; D016902:Air Pollution, Indoor / Q000032:analysis / Q000517:prevention & control*; D006801:Humans; D019570:Inhalation Exposure; D007854:Lead / Q000032:analysis*; D008029:Lighting / Q000009:adverse effects*; D011634:Public Health; D011640:Public Policy
D000336:Aerosols; D007854:Lead