[Long-term results in patients with double kidneys].

74 patients with duplex system operated on at the Zürich Children's Hospital between 1971 and 1986 are presented. The patients have been divided into four groups: 1. bifid system, 2.

[Somatic puberty development in girls].

In 142 Swiss girls of the First Zurich Longitudinal Study. The somatic pubertal development between 9 and 18 years is described. The mean chronological age at the onset of the pubertal growth spurt was 9.

Pubertal development in girls. Variability and interrelationships.

Concerns about somatic disturbances of pubertal development are most frequently due to the large variability in normal growth and development patterns which occur during this age period. This article provides data on the normal variation of the following aspects of pubertal development: secondary sex characteristics, height growth, and menstrual cycles. In addition, clinically relevant interrelationships between the appearance of pubertal signs, height growth and bone age are discussed.