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PMC 7310678
How much does your father smoke? Like a chimney. How long has he been smoking? Forty years. Does he cough? All the time. Worried about his heart? Yes, as a matter of fact, his hearts thumping. Breathing? He pants like an old locomotive. Wives and daughters turned into diagnosticians
Sprinkle your bud evenly across the paper in a slim line
A grower who purchased one of Johnson's Oriental and Turkish blends for $24.50 could satisfy a pack-a-day habit for more than three years, according to Johnson's calculations
The MR approach infers causal relationships between exposures and outcomes, overcoming the limitations of observational studies, founded on three core assumptions: strong association between instrumental variables and the exposure, no association between instrumental variables and confounding factors, and instrumental variables influencing the outcome solely through their association with the exposure
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