Biometrical journal. Biometrische Zeitschrift, Vol. 50, No. 1. (February 2008), pp. 97-109.
Biometrics, Vol. 60, No. 2. (June 2004), pp. 306-314.
Biometrics, Vol. 57, No. 4. (December 2001), pp. 1106-1112.
American journal of epidemiology, Vol. 153, No. 3. (1 February 2001), pp. 265-274.
Am. J. Epidemiol., Vol. 159, No. 1. (1 January 2004), pp. 17-22.
Statistics in medicine, Vol. 27, No. 14. (30 June 2008), pp. 2509-2523.
Statistics in medicine, Vol. 19, No. 1. (15 January 2000), pp. 35-44.
American journal of epidemiology, Vol. 155, No. 7. (1 April 2002), pp. 593-602.
Fertility and Sterility, Vol. 88, No. 3. (September 2007), pp. 707-710.
Biometrics, Vol. 64, No. 1. (March 2008), pp. 106-114.
Statistics in Medicine, Vol. 26, No. 17. (2007), pp. 3240-3257.
Eur J Epidemiol, Vol. 14, No. 4. (June 1998), pp. 321-325.
Biostatistics, Vol. 9, No. 1. (January 2008), pp. 152-158.
J Clin Epidemiol, Vol. 60, No. 11. (November 2007), pp. 1127-1131.