To read the original work by Logan Click here https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1815464/ Simplicity is the ultimate sophistication : Lenoardo da Vinci The simply titled work by VS Logan brought to existence a much used (and misused) criterion for the diagnosis of abdominal tuberculosis : The response to therapy. Published in 1969, this was an important addition to
In a large by study Yao He et al including 310 patients, a normogram consisting of various clinical, laboratory, endoscopic, imaging and histologic findings, was established in a derivation cohort and further validated in 98 consecutive patients. Two separate normograms containing information about age, transverse ulcer, rectal involvement, skip lesions of the small bowel, target