Integrating the natural environment into tourism firms' business model for sustainability.

The link between the business model (BM) and sustainability is recognized in tourism research and practice, especially as far as its socioeconomic consequences are concerned. Moreover, prior studies have highlighted some key factors influencing the sustainable business models (SBMs) of tourism firms but have mainly done so by adopting static perspectives. Thus, how these firms can contribute to sustainability through their BMs with positive effects, particularly on natural resources, remains overlooked.

Growth hormone, insulin-like growth factor-I and somatostatin in human fetus, newborn, mother plasma and amniotic fluid.

During pregnancy, organism development and its differentiation are stimulated and modulated by fetal and placental hormones. However the exact role played by all the different growth factors has not been explained yet. This study summarizes knowledge about secretion, regulation and role of GH, IGF-1 and SRIF during perinatal age.

[Herpetic encephalitis with biphasic course. A case report and review of the literature].

Encephalitis represents an important event in pediatric practice. Between the different causes Herpes Simplex Virus (HSV) seems to be the most significant etiological agent, not only for its frequency but chiefly for conditioning prognosis. The Authors report a new case of HSV encephalitis with biphasic course illustrating the most recent pathologic, diagnostic and therapeutic features in the attempt to individualize those factors, between clinical data, laboratory findings and imaging that allow early diagnosis and consequently precocious specific antiviral therapy.

Thyroid autoimmunity: really an important cause of sporadic congenital hypothyroidism?

The transplacental transfer of maternal antithyroid antibodies has recently been hypothesised as an aetiological factor in CH. In order to test this hypothesis, mothers and newborns identified by neonatal screening as suffering from hypothyroidism were tested for TgAb, MAb and TSHBAb. Significant titres of MAb and TgAb antibodies were found in 5% of the newborns and their mothers.