RT Journal Article SR Electronic T1 Amoebiasis and giardiasis in New York City: a response. JF The British Journal of Venereal Diseases JO Br J Vener Dis FD BMJ Publishing Group Ltd SP 347 OP 348 DO 10.1136/sti.56.5.347 VO 56 IS 5 A1 Felman, Y M A1 Marr, J S YR 1980 UL http://sti.bmj.com/content/56/5/347.abstract AB