Ho, K.K.Y.

acromegaly endocrinol patient treatment igf-i metab growth level clin endocrinol consensus month italy therapy giustina outcome igf-i levels center somatostatin choice management measurement hormone chanson p diagnosis melmed disease study somatostatin analogs criteria srl therapy surgery assay pegvisomant vance ml guideline result growth hormone lombardi g factor response europe j endocrinol control colao chanson lombardi tumor survey state assessment analog cavagnini f macroadenoma respondent vance strasburger cj treatment choice disease control pivonello r statement quality insulin-like shrinkage effect mazziotti g neurosurgery receptor neurosurgeon glucose tolerance test sheppard mc insulin-like growth factor octreotide value novarti preference practice mortality tumor shrinkage acromegalic patients recommendation