referências
http://www.homeoint.org/books1/allenhandbook/c/coff-t.htm
https://www.materiamedica.info/en/materia-medica/john-henry-clarke/coffea-tosta
https://www.researchgate.net/publication/227164180_Standardization_of_homeopathic_Coffea_arabica_Coffea_cruda_and_Coffea_tosta_matrix_tinctures
https://pt.slideshare.net/slideshow/coffea-tosta-bhms-materia-medica-homoeopathy-3dfb/272072382
https://homeopathybooks.in/textbook-homeopathic-materia-medica/coffea-tosta-4/
https://homeopathybooks.in/dictionary-of-practical-materia-medica-by-j-h-clarke/coffea-tosta-3/
