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American Journal of Obstetrics and Gynecology|July 15, 1984
The Northwestern University multihospital twin study. IV. Duration of gestation according to fetal sexW Newton, L Keith, D KeithActa Geneticae Medicae Et Gemellologiae|January 1, 1997
Maternal nutrition in twin gestations: weight gain, cravings and aversions, and sources of nutrition adviceB Luke, L Keith, D KeithActa Geneticae Medicae Et Gemellologiae|January 1, 1982
The vanishing twinH J Landy, L Keith, D KeithActa Geneticae Medicae Et Gemellologiae|January 1, 1995
The childhood growth of twin childrenB Luke, S Leurgans, L Keith, et al.Archiv Fur Gynakologie|December 30, 1975
Attitudes of men toward contraceptionL Keith, D Keith, R Bussell, et al.Acta Geneticae Medicae Et Gemellologiae|January 1, 1993
Mirror imaging in twins: biological polarization--an evolving hypothesisA Golbin, Y Golbin, L Keith, et al.Radiation Protection Dosimetry|April 19, 2008
Radon in context of natural radiation exposure: the Czech experienceJ HulkaJournal of Perinatal Medicine|January 1, 1991
Pregravid weight, gestational weight gain and current weight of women delivered of twinsB Luke, L Keith, T R Johnson, et al.Radiation Protection Dosimetry|October 21, 2003
The weekly measurement deviations of indoor radon concentration from the annual arithmetic meanJ Dolejs, J HulkaPageof 471