They then confirmed 30 suspected single nucleotide polymorphisms (SNPs) in nearly 22,000 women with breast cancer and a similar number of controls spanning 22 studies.

• 他们在横跨22项研究将近22，000名乳腺癌女性和基本相同数目的对照妇女中发现了30个可疑的单核苷酸多态性位点。