Interactions between Social/ behavioral factors and ADRB2 genotypes may be associated with health at advanced ages in China - Yi Zeng; Lingguo Cheng; Ling Zhao; Qihua Tan; Qiushi Feng; Huashuai Chen; Ke Shen; Jianxin Li; Fengyu Zhang; Huiqing Cao; Simon G. Gregory; Ze Yang; et al. (BMC Geriatrics, 2013)