Health Sciences homework help. Create a 1 page essay paper that discusses Summary of Recent Research 7.The data available for the study consisted of the clone types, and the different months during which the measurements were taken. The signed rank test was settled for since the distribution of the data sets could not be established using the normal parametric tests. The researchers avoided making assumptions on the data since they could not establish its distribution.The difference in metal (aluminum) content in the wood was found to be significantly different from zero. The median change from August to November (3.1 micrograms Al/g wood) is significantly different from zero (W=16, P=0.040) (McDonald 2009). By the difference in content being significant, it implies that there was significant variation in concentration between the times of the year when the two measurements were taken.Han, X. et al. (2011). Metabolomics in Early Alzheimers Disease: Identification of Altered Plasma Sphingolipidome Using Shotgun Lipidomics. Lipidomics in Alzheimers Disease. Vol 6. Issue 7. p. 7. Nishiumi, S. et al. (2012). A Novel Serum Metabolomics-Based Diagnostic Approach for Colorectal Cancer. Metabolomics for Colorectal Cancer. Vol. 7, issue 7. p. 4. Plichta, S. B., Kelvin, E. Munros Statistical Methods for Health Care Research. Statistical Methods for Health Care Research. (6th edition). (2012). Smith, G. L. et al. (2012). Association Between Treatment With Brachytherapy vs Whole-Breast Irradiation and Subsequent Mastectomy, Complications, and Survival Among Older Women With Invasive Breast Cancer. The Journal of the American Medical Association. par 17.