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Field T, Diego M, and M Hernandez-Reif (2010) Preterm infant massage therapy research: a review. Infant Behavioral Development 33: 115-124. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2844909/

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Press, WH. (2013) What's So Special about Science (And How Much Should We Spend on It?), Science 342: 817-822. https://science.sciencemag.org/content/342/6160/817.full

Salter, AJ and BR Martin. (2001) The economic benefits of publicly funded basic research: a critical review. Research Policy 30:509-532. https://www.sciencedirect.com/science/article/abs/pii/S0048733300000913

Schanberg SM, Evoniuk G and CM Kuhn. (1984) Tactile and nutritional aspects of maternal care. specific regulators of neuroendocrine function and cellular development. Proceedings of the Society for Experimental Biology and Medicine 175, 135–146. https://journals.sagepub.com/doi/abs/10.3181/00379727-175-41779?journalCode=ebma