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Bernal: Etiology - 45% is spontaneous. '10 ref https://t.co/QnLJlQ1bYe shows socioeconomic factors - tobacco, 'social problems' #MDxEU17
Bernal: Etiology - 45% is spontaneous. '10 ref https://t.co/QnLJlQ1bYe shows socioeconomic factors - tobacco, 'social problems' #MDxEU17