Twin Research

The conjoined twins of Löwen
pp. 185-188(4)
Author: Blickstein, Isaac

Seasonal variation of livebirths, stillbirths, extramarital births and twin maternities in Switzerland
pp. 189-201(13)
Authors: Eriksson, Aldur W.; Fellman, Johan

Establishing a twin register in Sri Lanka
pp. 202-204(3)
Authors: Sumathipala, A.; Fernando, D.J.S.; Siribaddana, S.H.; Abeysingha, M.R.N.; Jayasekare, R.W.; Dissanayake, V.H.W.; De Silva, N.

Establishing a twin register in Sri Lanka
pp. 205-212(8)
Authors: Sumathipala, A.; De Silva, N.; Siribaddana, S.H.; Abeysingha, M.R.N.; Fernando, D.J.S.

Cervical length as a predictor of pre-term birth in twin gestations
pp. 213-216(4)
Authors: Shapiro, J.L.; Kung, R.; Barrett, J.F.R.

Assisted reproductive technologies and monozygous twins: implications for future study and clinical practice
pp. 217-223(7)
Authors: Scott Sills, E.; Tucker, Michael J.; Palermo, Gianpiero D.

Parent ratings of temperament in twins: explaining the `too low' DZ correlations
pp. 224-233(10)
Authors: Saudino, Kimberly J.; Cherny, Stacey S.; Plomin, Robert

Maternal behavior toward premature twins: implications for development
pp. 234-241(8)
Authors: Ostfeld, Barbara M.; Smith, Richard H.; Hiatt, Mark; Hegyi, Thomas

Genetic and environmental influences on a measure of infant attachment security
pp. 242-250(9)
Authors: Finkel, Deborah; Matheny Jr, Adam P.

Parents' and teachers' ratings of problem behaviours in children: genetic and contrast effects
pp. 251-258(8)
Authors: Kuntsi, Jonna; Gayán, Javier; Stevenson, Jim

An exploration of the genetic and environmental etiology of heart rate in infancy and middle childhood
pp. 259-265(7)
Authors: Van Hulle, Carol A.; Corley, Robin; Zahn-Waxler, Carolyn; Kagan, Jerome; Hewitt, John K.

Genetics of testosterone and the aggression-hostility-anger (AHA) syndrome: a study of middle-aged male twins
pp. 266-276(11)
Authors: Sluyter, F.; Keijser, J.N.; Boomsma, D.I.; van Doornen, L.J.P.; van den Oord, E.J.C.G.; Snieder, H.

Categories of ΔF508 homozygous cystic fibrosis twin and sibling pairs with distinct phenotypic characteristics
pp. 277-293(17)
Authors: Mekus, Frauke; Ballmann, Manfred; Bronsveld, Inez; Bijman, Jan; Veeze, Henk; Tümmler, Burkhard

Estimation of penetrance from twin data
pp. 294-298(5)
Authors: Praxedes, Leide A.; Otto, P.A.

Anxiety and depression in twin and sib pairs extremely discordant and concordant for neuroticism: prodromus to a linkage study
pp. 299-309(11)
Authors: Kirk, Katherine M.; Birley, Andrew J.; Statham, Dixie J.; Haddon, Barbara; Lake, Robert I.E.; Andrews, J.G.; Martin, Nicholas G.

A population-based study of personality in 34 000 sib-pairs
pp. 310-315(6)
Authors: Martin, Neilson; Goodwin, Guy; Fairburn, Christopher; Wilson, Rob; Allison, David; Cardon, Lon R.; Flint, Jonathan

GENESiS: creating a composite index of the vulnerability to anxiety and depression in a community-based sample of siblings
pp. 316-322(7)
Authors: Sham, P.C.; Sterne, A.; Purcell, S.; Cherny, S.; Webster, M.; Rijsdijk, F.; Asherson, P.; Ball, D.; Craig, I.; Eley, T.; Goldberg, D.; Gray, J.; Mann, A.; Owen, M.; Plomin, R.

Netherlands twin family study of anxious depression (NETSAD)
pp. 323-334(12)
Authors: Boomsma, D.I.; Beem, A.L.; van den Berg, M.; Dolan, C.V.; Koopmans, J.R.; Vink, J.M.; de Geus, E.J.C.; Slagboom, P.E.

LETTER
pp. 335-336(2)
Author: Machin, Geoff

LETTER
pp. 337-337(1)
Author: Steinman, Gary

NEWS, VIEWS AND COMMENTS
pp. 338-343(6)
Author: Segal, Nancy L.

OBITUARY
pp. 344-347(4)
Authors: Parisi, Paolo; Derom, Robert

Acknowledgement to Reviewers (1999-2000)
pp. 348-348(1)

Author index
pp. 349-349(1)

Keyword index
pp. 350-350(1)