Guralnik, J. M., Butterworth, S., Patel, K., Mishra, G., & Kuh, D. (2009). Reduced Midlife Physical Functioning Among Never Married and Childless Men: Evidence from the 1946 British Birth Cohort Study.

Guralnik, Jack M., Suzanne Butterworth, Kushang Patel, Gita Mishra, und Diana Kuh. Reduced Midlife Physical Functioning Among Never Married and Childless Men: Evidence From the 1946 British Birth Cohort Study. 2009.

Guralnik, Jack M., et al. Reduced Midlife Physical Functioning Among Never Married and Childless Men: Evidence From the 1946 British Birth Cohort Study. 2009.