Some of these errors are in bestselling titles, but even worse, sometimes it's in medical books and textbooks. (goodereader.com)
The reply to this question is not so easy, because nowadays it is hard to discover the best medical books among a lot of on and offline bookstores. (advicesbooks.com)
Unless they consider medical books (and from what I remember about god knowledge is a weapon) and insulin as weapon. (religion.blogs.cnn.com)