TY - RPRT TI - Cryptosporidium dose response studies: variation between isolates. AU - Peter F M Teunis AU - Cynthia L Chappell AU - Pablo C Okhuysen PY - 2002 DO - 10.1111/0272-4332.00014 UR - https://pubmed.ncbi.nlm.nih.gov/12017359/ ID - 12017359 ER -