Normal Physiology of Growth Hormone in Normal Adults Endotext NCBI Bookshelf Growth Hormone IGF 1 Signaling Pathway Sino Biological Proposed signaling pathways for IGF I and GH with regard to cell Download Scientific Diagram PDF] The relative roles of growth hormone and IGF 1 in controlling insulin sensitivity. Semantic Scholar Pediatric Implications of Normal Insulin GH IGF Axis Physiology Endotext NCBI Bookshelf The GH IGF 1 axis in ageing and longevity Nature Reviews Endocrinology