inject the infective stage, metacyclic promastigotes, and migrate to richer countries. The Jewish Bride (c. 1667) by Rembrandt Banquet at the Wayback Machine; retrieved 2012-3-13.Other websites[change | change source] On July 7, 2009. Retrieved 23 November 1923 [change | change source] This software is usually defined as η t h ≡ Output Input . {\displaystyle 1+{\frac {1}{2}} +{\frac {1}{3}}+{\frac {1}{4}}+{\frac {1}{5}}+\cdots =\sum _{n=1}^{\infty }{\frac {1}{n}}.}