Molecular Biomedical Sciences - 1975 Heap, R. B., Perry, J. S., Gadsby, E. J., & Burton, R. D. (1975). Endocrine Activities of the Blastocyst and Early Embryonic Tissue in the Pig. Biochemical Society Transactions, 3(6), 1183–1188. https://doi.org/10.1042/bst0031183 Dulfano, M. J., & Adler, K. B. (1975). Physical properties of sputum. VII. Rheologic properties and mucociliary transport. American Review of Respiratory Disease, 112, 341–348.