Prof. George Vithoulkas talks about the Stramonium during one of his homeopathic courses at Alonissos, describing the essentials of the materia medica of the remedy and also discusses Stramonium elements & cases of children and compares Stramonium to other homeopathic remedies like Hyoscyamus and Mercury
You can find the complete teachings of Prof. Vithoulkas at the academic e-learning program http://www.vithoulkas.edu.gr
and www.vithoulkas.edu.gr/es for spanish speaking people