Determination of Spearman Correlation Coefficient<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" id="M1"><mml:mo stretchy="false">(</mml:mo><mml:mi>r</mml:mi><mml:mo stretchy="false">)</mml:mo></mml:math>to Evaluate the Linear Association of Dermal Collagen and Elastic Fibers in the Perspectives of Skin Injury
Dermatology research and practice