TY - JOUR AU - H DuPont AU - C Chappell AU - C Sterling AU - P Okhuysen AU - J Rose AU - W Jakubowski BT - The New England journal of medicine LA - eng PY - 1995 EP - 13 T2 - The New England journal of medicine TI - The infectivity of Cryptosporidium parvum in healthy volunteers UR - https://www.nejm.org/doi/full/10.1056/NEJM199503303321304 VL - 332 ER -