Paternal Smoking Before Conception and During Pregnancy Is Associated With an Increased Risk of Childhood Acute Lymphoblastic Leukemia: A Systematic Review and Meta-Analysis of 17 Case-Control Studies.

J Pediatr Hematol Oncol · 2020 · PMC6924935 · PMID 31743318

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marginally significantno p-value reported

By synthesizing studies with good quality in exposure measurement, we observed that the synthesized RRs of the 2 exposure time windows were statistically homogeneous and marginally significant without substantial statistical heterogeneity.

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