Thyroid hormones which causes the thyroid to enlarge (the resulting medical condition is called "endemic colloid goitre"; see goitre). This has the effect of increasing the thyroid's ability to trap more iodide, compensating for the iodine deficiency and allowing it to produce adequate amounts of thyroid hormone. Most of the thyroid hormone circulating in the blood is bound to "transport protein"s. Only a very small fraction of the circulating hormone is free (unbound) and biologically active, hence measuring concentrations of free thyroid hormones is of great diagnostic value. When thyroid hormone is bound, it is not active, so the amount of free
Roberto Goitre choirs, Carlo Pavese and Mario Pigazzini, still use the Cantar Leggendo method exclusively. Goitre dedicated all his life to musical pedagogy and choral music. It was indeed he who, at the start of the 1970s, founded the magazine La Cartellina, which is still today a very important magazine on choral music and musical pedagogy. The current editor of this magazine is Marco Boschini. Roberto Goitre Roberto Goitre (Turin, 1927 - Piacenza, 1980) was an Italian choirmaster, composer and teacher. Upon finishing his academic studies, Goitre devoted himself entirely to choral conducting. At the beginning of the 1960s, on invitation from