C. Pichler

Classical and new proving methodology: Provings of Plumbum metallicum and Piper methysticum and comparison with a classical proving of Plumbum metallicum

P. Vianello, F. Boso, G. Manuele, 2005, Homeopathy.

Pathogen-Induced Leaf Chlorosis: Products of Chlorophyll Breakdown Found in Degreened Leaves of Phytoplasma-Infected Apple (Malus × domestica Borkh.) and Apricot (Prunus armeniaca L.) Trees Relate to the Pheophorbide a Oxygenase/Phyllobilin Pathway.

T. Müller, B. Kräutler, Katrin Janik, 2017, Journal of agricultural and food chemistry.

Homeopathic pathogenetic trial of Plumbum metallicum: the complete 2000 trial with a synthesis of the original 1828 trial

A. Signorini, C. Pichler, 2011, International Journal of High Dilution Research - ISSN 1982-6206.