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美国明尼苏达大学癌症中心的StephenHecht及其同事说,母亲在妊娠期间吸烟,其新生儿的初次尿液中可能有致癌的烟草代谢产物。
Stephen Heecht and colleagues at the University of Minnesota Cancer Center say that mothers smoke during pregnancy and may have carcinogenic tobacco metabolites in their neonate’s first urine.