Psora is the foundation of all the other miasms.

Syph & syco cannot exist without the Psora.
Psora has to be there.

That is the final statement from Hahnemann & confirmed by his followers.

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Dr. Shashi Roy
"Sarve Santoo NirAamyah"<br />"Sarve Bhavantoo Sukhinaam"<br /><br />Best Regards<br /><br />Shashi Roy