Document 3Ne60Gr5kOR3wywMBYkd9ppB3

Page 548 j 1 Q Okay. Let's talk about epidemiology for a 2 minute. 3 I think you talked or you testified earlier 4 this morning that, during your work as a pathologist, j 5 you have come to rely upon epidemiologic studies; is i 6 that right? 7 A For some issues, yes, sir. 8Q 9 you? Right. You are not an epidemiologist, are 1 | 10 A That is correct. 11 Q But nonetheless, as a normal part of your 12 work, you rely on epidemiological studies to make sure 13 that you are really not barking up the wrong tree, so j 14 to speak, would that be correct? 15 A Again, for some issues, yes. j 16 Q Okay. And that is because epidemiology is 17 really concerned with establishing the causes of 18 various diseases and how various agents cause 19 diseases? 20 A Well, it is one part of evidence when one is 21 trying to establish a cause and effect relationship. j