RT Journal Article SR Electronic T1 Shedding of oocysts of Cryptosporidium in immunocompetent patients. JF Journal of Clinical Pathology JO J Clin Pathol FD BMJ Publishing Group Ltd and Association of Clinical Pathologists SP 780 OP 781 DO 10.1136/jcp.42.7.780-d VO 42 IS 7 A1 Casemore, D P YR 1989 UL http://jcp.bmj.com/content/42/7/780.4.abstract AB