0000950123-05-005517 10-Q 4 20050326 20050503 20050503 SCHEIN HENRY INC 0001000228 5047 113136595 DE 1226 10-Q 34 000-27078 05795517 135 DURYEA RD MELVILLE NY 11747 6318425500X6867 135 DURYEA RD MELVILLE NY 11747 10-Q 1 y08474e10vq.htm HENRY SCHEIN, INC. EX-31.1 2 y08474exv31w1.htm EX-31.1: CERTIFICATION EX-31.2 3 y08474exv31w2.htm EX-31.2: CERTIFICATION EX-32.1 4 y08474exv32w1.htm EX-32.1: CERTIFICATION