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Osteoporosi idiopatica giovanile. Descrizione di 5 casi. Valutazione di un trattamento con 1,25-diidrossivitamina d3 e revisione della letteratura
No full textValutazione della secrezione di calcitonina e katacalcina in bambini diabetici con osteopenia
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Going Beyond Counting First Authors in Author Co-citation Analysis
Get PDFThe present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation
counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings
are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that
only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into
account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
Growth velocity and serum aminoterminal propeptide of type-iii procollagen in precocious puberty during gonadotropin-releasing-hormone analog treatment
No full textGrowth velocity and serum aminoterminal propeptide of type III procollagen (P-III-NP) were evaluated in 11 girls (age 3.8-8.5 years) with central precocious puberty during luteinizing hormone releasing hormone (LH-RH) analogue treatment (D-Trp6-LH-RH, 60 mug/kg im for 28 days, n = 7; D-ser(TBU)6-LH-RH, 1600 mug/day intranasally, n = 4). Before treatment, growth velocity (10.2 +/- 1.9 cm/year) and P-III-NP concentrations (12.8 +/- 4.3 mug/l) were in the pubertal range. During therapy, growth velocity significantly decreased to the prepubertal levels. P-III-NP concentrations decreased significantly after six months of therapy (7.9 +/- 3.7 mug/l, p < 0.001). Three girls with low growth velocity (< 4 cm/year), stimulated growth hormone peak < 10 mug/l, and altered 12-h nocturnal growth hormone secretion at 12 and/or 18 months of treatment, had a more marked decrease in P-III-NP concentrations (patient 3: - 65.9%; patient 5: - 58.7%; patient 10: - 61.0%) after 6 months of therapy. Our results suggest that LH-RH analogue treatment in central precocious puberty may impair growth. In these cases, measurement of serum P-III-NP levels may be an additional marker to monitor growth
Variations on the Author
Get PDF“Variations on the Author” discusses two of Eduardo Coutinho’s recent films (Um Dia na Vida, from 2010, and Últimas Conversas, posthumously released in 2015) and their contribution to the general question of documentary authorship. The director’s filmography is characterized by a consistent yet self-effacing form of authorial self-inscription: Coutinho often features as an interviewer that rather than express opinions propels discourses; an interviewer that is good at listening. This mode of self-inscription characterizes him as an author who is not expressive but who is nonetheless markedly present on the screen. In Um Dia na Vida, however, Coutinho is completely absent form the image, while Últimas Conversas, on the contrary, includes a confessional prologue that moves the director from the margins to the center of his films. This article examines the ways in which these works stand out in the filmography of a director who offers new insights into the notion of cinematic authorship
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