Dataset: mouthrinse_smutans.csv

Source: P. Agarwal and L. Nagesh (2011). "Comparative evaluation of efficacy of 0.2% Chlorhexidine, Listerine and Tulsi
extract mouth rinses on salivary Streptococcus mutans count of high school children—RCT," 
Controlled Clinical Trials, Vol. 32, pp. 802-808.

Description:
Experiment comparing 3 mouth rinses (CHX, LIST, TULS) in a latin square design with
3 sequences, in 3 periods, with 15 subjects per sequence. 
Data generated to match ANOVAs, means, and sd's within sequences.

Variable names:
seq  (1=CLT, 2=LTC, 3=TCL)
period
mwash (1=CHX, 2=LIST, 3=TULS)
subject
Y.chng  (Baseline-post test = amount reduction)