“…12 13 14 15 Then, in 1995, the prior noted Supplement of STH was published, 1 containing 16 papers that mentioned work using the Thrombostat-4000. 11 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 At the end of the Supplement issue appeared two papers related to the “updated” Thrombostat-4000, namely the PFA-100. 9 31 Indeed, it was noted by the issue Guest Editors, in the Preface to the issue 32 that: “The Thrombostat 4000, which is no longer available, was modified and redesigned by scientists at Dade International, Inc.…”