TY - RPRT TI - Methodological considerations in defining chronic diarrhoea using a distributional approach. AU - B F Stanton AU - J D Clemens AU - S Ahmed PY - 1990 DO - 10.1093/ije/19.2.439 UR - https://pubmed.ncbi.nlm.nih.gov/2376459/ ID - 2376459 ER -