TY - RPRT TI - Nucleotide changes within three Cryptosporidium parvum surface protein encoding genes differentiate genotype I from genotype II isolates. AU - Gregory D Sturbaum AU - B Helen Jost AU - Charles R Sterling PY - 2003 DO - 10.1016/s0166-6851(03)00017-3 UR - https://pubmed.ncbi.nlm.nih.gov/12706801/ ID - 12706801 ER -