Thanks, guys. In fact, some lessons I've already learned pretty well, so when I gave "Mary" the arnica, it was in a 12 ounce bottle, with instructions to shake before each use. I've even found myself that the number and strength of succussions effects the action of the dose, and that sometimes I want a milder and sometimes and stronger dose, and so I succuss accordingly, which is also what I told Mary to do.

She slept like a baby last night, and was very grateful.

Thanks for all your help. I'll report back as things (hopefully) progress.

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"The need to perform adjustments for covariates...weakens the findings." BMJ Clinical Evidence: Mental Health, (No. 11), p. 95.... It's that simple, guys: bad numbers make bad science.