@misc{indiciaeb8a9cb8ec5f5, title = {Decrease in pyrrole-2-carboxylic acid excretion during lung cancer disease.}, author = {E Svojtková and Z Deyl and J Andrlíková}, year = {1982}, url = {https://pubmed.ncbi.nlm.nih.gov/7177252/}, note = {Source identifier: 7177252} }