@article{IhleEsserSchmidt1999,
  author    = {Ihle, Wolfgang and Esser, G{\"u}nter and Schmidt, Martin H.},
  title     = {The contribution of developmental psychopathology to the understanding of the aetiology and course of mentl disorders : a prospective study from childhood to early adulthood},
  year      = {1999},
  language  = {en}
}
@article{WeindrichJennenSteinmetzLauchtetal.1998,
  author    = {Weindrich, D. and Jennen-Steinmetz, Christine and Laucht, Manfred and Esser, G{\"u}nter and Schmidt, Martin H.},
  title     = {At risk for language disorders? : correlates and course of language disorders in preschool children born at risk},
  issn      = {0803-5253},
  year      = {1998},
  language  = {en}
}
@article{SchmidtEsserIhleetal.1998,
  author    = {Schmidt, Martin H. and Esser, G{\"u}nter and Ihle, Wolfgang and Lay, Barbara},
  title     = {Psychosomatic and depressive symptoms at age eight and age eighteen},
  issn      = {0065-2008},
  year      = {1998},
  language  = {en}
}
@article{PietzFaetkenheuerBurgardetal.1997,
  author    = {Pietz, J. and F{\"a}tkenheuer, Brigitte and Burgard, P. and Armbruster, M. and Esser, G{\"u}nter and Schmidt, Martin H.},
  title     = {Psychiatric disorders in adult patients with early-treated phenylketonuria},
  year      = {1997},
  language  = {en}
}
@article{LauchtEsserSchmidt1997,
  author    = {Laucht, Manfred and Esser, G{\"u}nter and Schmidt, Martin H.},
  title     = {Developmental outcome of infants born with biological and psychosocial risks},
  year      = {1997},
  language  = {en}
}
@article{EsserSchmidt1996,
  author    = {Esser, G{\"u}nter and Schmidt, Martin H.},
  title     = {Prevalence, course and risk factors for mental disorders},
  year      = {1996},
  language  = {en}
}
@article{EsserLauchtSchmidt1996,
  author    = {Esser, G{\"u}nter and Laucht, Manfred and Schmidt, Martin H.},
  title     = {The Significance of Biological and Psychosocial Risks for Behaviour Problems of Children at Preschool age},
  year      = {1996},
  language  = {en}
}