B\u1ed9 Gi\u00e1o d\u1ee5c: Th\u00ed sinh c\u00e2n nh\u1eafc ch\u1ecdn k\u1ef9 ng\u00e0nh h\u1ecdc n\u1ebfu kh\u00f4ng s\u1ebd m\u1ea5t c\u01a1 h\u1ed9i<\/a><\/blockquote><\/iframe>