Charak Samhita
सप्तलाशङ्खिनीभ्यां ते त्रिंशदुक्ता नवाधिकाः। योगाः सिद्धाः समस्ताभ्यामेकशोऽपि च ते हिताः॥१९॥
one with kampillaka thus total thirty nine tested formulations of saptala & shankhini have been described. They are useful in combination or separately.
english translation