TY - JOUR AU - Pablo Okhuysen AU - Cynthia Chappell AU - Joseph Crabb AU - Charles Sterling AU - Herbert Dupont BT - The Journal of infectious diseases LA - eng PY - 1999 EP - 1275–1281 T2 - The Journal of infectious diseases TI - Virulence of three distinct Cryptospovidium parvum isolates for healthy adults VL - 180 ER -