The manufacturing of DR-70 is for research only in China..If perhaps someone does use DR-70..All here agree DR-70 is not as reliable as DR-70 combined with Provista Dx's LC Sentinel reagents and bio markers...As you can see the DR-70 is off patent, but international laws pertaining to AMDL's trademark of DR-70 reciprocated protection in China cannot be used to refer to the test, which is likely a lung cancer test in collaboration with AMDL for research only in China..This manufacturing spin was used by the same skeptics a year ago, so it is not news to us who have already won this debate as well..Jim Tash was the one who found this China/AMDL collaboration last year.. imo Wolf