Meat and Fish (Bitul and Blios #13 - Shulchan Aruch 95:1)
Rabbi Dovid Cohen
Meat and Fish Danger Separation Bitul (bitul b'shishim, bitul issur l'chatchilah) Worcestershire sauce Fish oil Marshmallows Fish fork B'lios See seforim by Rabbi Cohen at www.kashrushalacha.com