TLS, one page, 8.5 x 11, Linus Pauling Institute of Science and Medicine letterhead, October 22, 1990. Letter to a woman offering to be a research subject and seeking medial advice. In part: “I also thank you for your offer to cooperate with us in our research. Our Institute, however, does not treat any patients or make use of human subjects…I cannot advise you as to whether or not to visit the physician that you mention.” In fine condition, with a couple spots of trivial toning. RRAuction COA.