Attachment IV - Page 6 
studies will be performed since it may be that these would be 
different. 
4. Re: paragraphs III.F and III.G. 
It is suggested that these be combined since they appear to be 
requesting the same information. 
If you desire clarification of ny suggestions, please contact me. 
Sincerely, 
Rpbert W. McKinney, Fh.D. 
[ 33 ] 
