D. G. Rogers

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We use some combinatorial methods to study underdiagonal paths on the Z lat tice made up of unrestricted steps i e ordered pairs of non negative integers We introduce an algorithm which automatically produces some counting generating func tions for a large class of these paths We also give an example of how we use these functions to obtain some speci c(More)
Osteoporosis is a disease that plagues older individuals, particularly women. At the usual age of diagnosis, limited therapy is available. By further delineating the factors that influence bone mineral acquisition before peak bone density is achieved, individuals at risk may be identified at an earlier age when therapies may be more effective. This was a(More)
OBJECTIVE To assess the effect of puberty on the relationship between glycemic control and insulinlike growth factor I (IGF-I) levels in children with insulin-dependent (type I) diabetes mellitus. RESEARCH DESIGN AND METHODS Simultaneous HbA1 and plasma IGF-I levels were determined in 71 prepubertal (Tanner stage I) and 112 pubertal (Tanner stages II-V)(More)
To describe associated ocular, neurologic, and systemic findings in a population of children with optic nerve hypoplasia, a retrospective chart review of 100 patients with optic nerve hypoplasia for the presence of neurologic, radiologic, and endocrine abnormalities was performed. Neuroimaging and endocrine studies were obtained in 65 cases. Visual acuity(More)