B. Söhne

An epidemiologic longitudinal study of sleeping problems and feeding experience of preterm and term children in southern Finland: comparison with a southern German population sample.

Klaus F. Riegel, K. Riegel, D. Wolke, 1998, The Journal of pediatrics.

Follow-up of preterm children: important to document dropouts

K. Riegel, D. Wolke, B. Ohrt, 1995, The Lancet.

[Premature rupture of fetal membranes, risk of infection and infant prognosis--a comparison of 2 regions].

K. Riegel, D. Wolke, K. Osterlund, 1999, Zeitschrift fur Geburtshilfe und Neonatologie.