NAZIR 41 (25 Nisan) - Dedicated by Sandy and Les Wiesel in honor of the Yahrzeit of Les's father, Menachem Yehuda ben Rav Avigdor Yosef ha'Levy Wiesel z'l, who perished in the Holocaust, and in memory of his uncle, Harav Rav Avraham Yeshaya ben Rav Avigdor Yosef ha'Levy Wiesel z'l, whose Yahrzeit is 10 Nisan.
How do we know a מלקט וברהיטני do not suffice for a מצורע?