We conducted an a priori power analysis using G*Power Software for independent samples Students t-test 22 , assuming the group difference in mean change of the score is 2 (standard deviation 1.3) 7 and aiming to detect a significance level of 1% and statistical power of 90%, a total sample size of 30 participants (15 in each group) was needed
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Signs & Symptoms of Oral Cancer Did you know that oral cancer refers to any cancer that impacts the lips, tongue, gums, inside of the cheeks or roof, or floor of the mouth
2014 is the 50th anniversary of The Surgeon Generals Report on Smoking, which for the first time outlined the potential hazards of smoking
van Niel, G., DAngelo, G
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