Related by context. Frequent words. (Click for all words.) 55 identifier 52 unique identifiers 51 unique identifier 50 alpha numeric 50 barcode 50 machine readable 50 barcoded 49 2D barcodes 49 rfid 48 hotlink 48 alphanumeric 48 scannable 48 automatically populates 48 barcodes 48 Identifier 48 identifiers 48 coded 47 exe files 47 biometric identifier 47 pif 47 2D barcode 46 Vehicle Identification Number 46 src 46 randomizing 46 Color coded 46 biometric scanners 46 PIN code 46 AutoFill 46 aspx 45 iframes 45 pictogram 45 UDID 44 encoded 44 fluorescent marker 44 plaintext 44 hexadecimal 44 Exif 44 geocode 44 keycards 44 REGISTRY 44 fluorescently labeled 44 PET positron emission tomography 44 PIDs 43 securely transmit 43 fluorescent molecules 43 biometrically 43 microchip identification 43 URN 43 '# [006] 43 alphanumeric characters 43 barcoding 43 RNA sequences 43 Personal Identification Number 43 #A [002] 43 Scanned 43 genomic sequence 43 jpg files 43 fluorescent markers 43 RSSI 43 writeable 42 mag stripe 42 checkboxes 42 phylogenetic analysis 42 Identifiers 42 routable 42 scanned 42 checksums 42 ABCDE 42 timestamp 42 cryptographically 42 DNA helix 42 specially formatted 42 textbox 42 Formatting 42 microdots 42 digital watermarks 42 bar coded 42 Customise 42 Barcodes 41 Barcode 41 Identification Number 41 coding 41 indentification 41 HTTP header 41 authentification 41 ADDS photo 41 mathematical algorithm 41 laser engraved 41 parameterized 41 EXIF 41 nucleotide sequence 41 pairwise 41 EXIF data 41 microchip implant 41 ID3 41 RFID transponders 41 phylogenetic tree 41 document.write 41 dropdown menu 41 tumor biopsies 41 clinicaltrials.gov