Database

Search strategy

Unless otherwise stated, search terms were free text terms; exp = exploded MeSH: Medical subject heading (Medline medical index term); the dollar sign ($) stands for any character(s); the question mark (?) = to substitute for one or no characters; tw = text word; pt = publication type; sh = MeSH: Medical subject heading (Medline medical index term); adj = adjacency.

Medline (OVID)

(1) exp ZINC/
(2) zinc.tw.
(3) 1 or 2
(4) exp diabetes mellitus/
(5) diabet$.tw.
(6) IDDM.tw.
(7) NIDDM.tw.
(8) MODY.tw.
(9) (late onset adj diabet$).tw.
(10) (maturity onset adj diabet$).tw.
(11) (juvenil adj diabet$).tw.
(12) exp Syndrome X/
(13) (syndrome X and diabet$).tw.
(14) hyperinsulin$.tw.
(15) insulin sensitiv$.tw.
(16) insulin$ secret$ dysfunc$.tw.
(17) impaired glucose toleran$.tw.
(18) glucose intoleran$.tw.
(19) exp Glucose Intolerance/
(20) insulin$ resist$.tw.
(21) (non insulin$ depend$ or noninsulin$ depend$ or non insulin?depend$ or noninsulin?depend$).tw.
(22) metabolic$ syndrom$.tw.
(23) (pluri metabolic$ syndrom$ or plurimetabolic$ syndrom$).tw.
(24) ((typ$ 1 or typ$ 2) and diabet$).tw.
(25) ((typ$ I or typ$ II) and diabet$).tw.
(26) exp Insulin Resistance/
(27) (insulin$ depend$ or insulin?depend$).tw.
(28) or/4‐27
(29) limit 28 to human
(30) randomized controlled trial.pt.
(31) controlled clinical trial.pt.
(32) randomized controlled trials.sh.
(33) random allocation.sh.
(34) double‐blind method.sh.
(35) single‐blind method.sh.
(36) or/30‐35
(37) limit 36 to animal
(38) limit 36 to human
(39) 37 not 38
(40) 36 not 39
(41) clinical trial.pt.
(42) exp clinical trials/
(43) (clinic$ adj25 trial$).tw.
(44) ((singl$ or doubl$ or trebl$ or tripl$) adj (mask$ or blind$)).tw.
(45) placebos.sh.
(46) placebo$.tw.
(47) random$.tw.
(48) research design.sh.
(49) (latin adj square).tw.
(50) or/41‐49
(51) limit 50 to animal
(52) limit 50 to human
(53) 51 not 52
(54) 50 not 53
(55) comparative study.sh.
(56) exp evaluation studies/
(57) follow‐up studies.sh.
(58) prospective studies.sh.
(59) (control$ or prospectiv$ or volunteer$).tw.
(60) cross‐over studies.sh.
(61) or/55‐ 60
(62) limit 61 to animal
(63) limit 61 to human
(64) 62 not 63
(65) 61 not 64
(66) 40 or 54 or 65
(67) 3 and 29 and 66

Lilacs

#1 = Zinc OR (Serum Zinc Level$) #2 = (Adult‐Onset Diabetes Mellitus) OR (Adult Onset Diabetes Mellitus) OR (Ketosis‐Resistant Diabetes Mellitus) OR (Ketosis Resistant Diabetes Mellitus) OR (Maturity‐Onset Diabetes Mellitus) OR (Maturity Onset Diabetes Mellitus) OR (Non Insulin Dependent Diabetes Mellitus)
OR (Non‐Insulin‐Dependent Diabetes Mellitus) OR (Noninsulin Dependent Diabetes Mellitus) OR (Slow‐Onset Diabetes Mellitus) OR (Slow Onset Diabetes Mellitus) OR (Stable Diabetes Mellitus) OR (Type II Diabetes Mellitus) OR MODY OR NIDDM OR (Type 2 Diabetes Mellitus) OR (insulin resistance) OR Hyperinsulinemia OR (Compensatory Hyperinsulinemia) OR (Endogenous Hyperinsulinism) OR (Exogenous Hyperinsulinism) OR (Glucose Metaboli$ Disorder$) OR (Glucose intolerance$) OR hyperglycemia$ #3 = (Pt randomized controlled trial) OR (Pt controlled clinical trial) OR (Mh randomized controlled trials) OR (Mh random allocation) OR (Mh double blind method) OR (Mh single blind method) AND NOT (Ct animal) AND NOT (Ct human and Ct animal) OR (Pt clinical trial) OR (Ex E05.318.760.535$) OR (Tw clin$) AND (Tw trial$) OR (Tw ensa$) OR (Tw estud$) OR (Tw experim$) OR (Tw investiga$) OR (Tw singl$) OR (Tw simple$) OR (Tw doubl$) OR (Tw doble$) OR (Tw duplo$) OR (Tw trebl$) OR (Tw trip$) AND (Tw blind$) OR (Tw cego$) OR (Tw ciego$) OR (Tw mask$) OR (Tw mascar$) OR (Mh placebos) OR (Tw placebo$) OR (Tw random$) OR (Tw randon$) OR (Tw casual$) OR (Tw acaso$) OR (Tw azar) OR (Tw aleator$) OR (Mh research design) AND NOT (Ct animal) AND NOT (Ct human and Ct animal) OR (Ct comparative study) OR (Ex E05.337$) OR (Mh follow‐up studies) OR (Mh prospective studies) OR (Tw control$) OR (Tw prospectiv$) OR (Tw volunt$) OR (Tw volunteer$) AND NOT ((Ct animal) AND NOT (Ct human and Ct animal))