“…Only the abstract was available for 1 of 14 systematic reviews, 91 for 8 of 33 RCTs, 23,41,46,47,65,67,69,70,82 and for 7 of 19 observational studies, 30,53,57,60,62,64,100 with associated duplicate publications cited. Neither the abstract nor the full manuscript were available for 6 RCTs 25,33,44,79,80,99 (including the unpublished Saveliev RCT) and 1 observational study, 63 with their respective duplicate publications cited.…”