Class information for:
Level 2: SILDENAFIL ANALOGUE//COUNTERFEIT MEDICINES//SUBSTANDARD DRUGS

Basic class information

ID Publications Average number
of references
Avg. shr. active
ref. in WoS
3498 1020 25.1 57%



Bar chart of Publication_year

Last years might be incomplete

Classes in level above (level 3)



ID, lev.
above
Publications Label for level above
576 13579 FOOD AND DRUG LAW JOURNAL//CIENCIA & SAUDE COLETIVA//SAUDE E SOCIEDADE

Classes in level below (level 1)



ID, lev. below Publications Label for level below
17410 537 SILDENAFIL ANALOGUE//TADALAFIL ANALOGUE//HOMOSILDENAFIL
18510 483 SUBSTANDARD DRUGS//ONLINE PHARMACIES//ONLINE PHARMACY

Terms with highest relevance score



Rank Term Type of term Relevance score
(tfidf)
Class's shr.
of term's tot.
occurrences
Shr. of publ.
in class containing
term
Num. of
publ. in
class
1 SILDENAFIL ANALOGUE Author keyword 31 92% 1% 12
2 COUNTERFEIT MEDICINES Author keyword 19 58% 2% 22
3 SUBSTANDARD DRUGS Author keyword 18 83% 1% 10
4 ONLINE PHARMACIES Author keyword 13 71% 1% 10
5 ONLINE PHARMACY Author keyword 12 86% 1% 6
6 TADALAFIL ANALOGUE Author keyword 12 86% 1% 6
7 COUNTERFEIT DRUGS Author keyword 11 42% 2% 20
8 HOMOSILDENAFIL Author keyword 11 100% 1% 6
9 PROMOTING QUAL MED PROGRAM Address 11 100% 1% 6
10 ADV ANAL TEAM Address 10 54% 1% 13

Web of Science journal categories

Author Key Words



Rank Web of Science journal category Relevance score
(tfidf)
Class's shr.
of term's tot.
occurrences
Shr. of publ.
in class containing
term
Num. of
publ. in
class
LCSH search Wikipedia search
1 SILDENAFIL ANALOGUE 31 92% 1% 12 Search SILDENAFIL+ANALOGUE Search SILDENAFIL+ANALOGUE
2 COUNTERFEIT MEDICINES 19 58% 2% 22 Search COUNTERFEIT+MEDICINES Search COUNTERFEIT+MEDICINES
3 SUBSTANDARD DRUGS 18 83% 1% 10 Search SUBSTANDARD+DRUGS Search SUBSTANDARD+DRUGS
4 ONLINE PHARMACIES 13 71% 1% 10 Search ONLINE+PHARMACIES Search ONLINE+PHARMACIES
5 ONLINE PHARMACY 12 86% 1% 6 Search ONLINE+PHARMACY Search ONLINE+PHARMACY
6 TADALAFIL ANALOGUE 12 86% 1% 6 Search TADALAFIL+ANALOGUE Search TADALAFIL+ANALOGUE
7 COUNTERFEIT DRUGS 11 42% 2% 20 Search COUNTERFEIT+DRUGS Search COUNTERFEIT+DRUGS
8 HOMOSILDENAFIL 11 100% 1% 6 Search HOMOSILDENAFIL Search HOMOSILDENAFIL
9 INTERNET PHARMACY 8 70% 1% 7 Search INTERNET+PHARMACY Search INTERNET+PHARMACY
10 THIOSILDENAFIL 8 100% 0% 5 Search THIOSILDENAFIL Search THIOSILDENAFIL

Key Words Plus



Rank Web of Science journal category Relevance score
(tfidf)
Class's shr.
of term's tot.
occurrences
Shr. of publ.
in class containing
term
Num. of
publ. in
class
1 SYNTHETIC PHOSPHODIESTERASE 5 INHIBITORS 177 98% 5% 46
2 METABOLITE UK 103 320 76 93% 3% 28
3 FAKE ARTESUNATE 38 86% 2% 19
4 COUNTERFEIT 36 69% 3% 31
5 HERBAL DIETARY SUPPLEMENT 32 88% 1% 15
6 VARDENAFIL 29 28% 8% 86
7 SUBSTANDARD MEDICINES 18 83% 1% 10
8 THIOSILDENAFIL 17 100% 1% 8
9 TADALAFIL 16 20% 7% 71
10 SUBSTANDARD DRUGS 15 77% 1% 10

Journals

Reviews



Title Publ. year Cit. Active
references
% act. ref.
to same field
Poor-quality antimalarial drugs in southeast Asia and sub-Saharan Africa 2012 74 37 70%
Substandard and counterfeit medicines: a systematic review of the literature 2013 20 16 88%
Screening of synthetic PDE-5 inhibitors and their analogues as adulterants: Analytical techniques and challenges 2014 12 89 78%
Strategies for characterizing sildenafil, vardenafil, tadalafil and their analogues in herbal dietary supplements, and detecting counterfeit products containing these drugs 2009 75 35 80%
Understanding and fighting the medicine counterfeit market 2014 12 49 53%
Towards a decade of detecting new analogues of sildenafil, tadalafil and vardenafil in food supplements: A history, analytical aspects and health risks 2012 41 77 60%
Substandard/Counterfeit Antimicrobial Drugs 2015 1 92 62%
Substandard medicines in resource-poor settings: a problem that can no longer be ignored 2008 74 21 57%
Counterfeit anti-infective drugs 2006 113 43 49%
Update on counterfeit antibiotics worldwide; Public health risks 2012 10 2 100%

Address terms



Rank Address term Relevance score
(tfidf)
Class's shr.
of term's tot.
occurrences
Shr. of publ.
in class containing
term
Num. of
publ. in
class
1 PROMOTING QUAL MED PROGRAM 11 100% 0.6% 6
2 ADV ANAL TEAM 10 54% 1.3% 13
3 GRIPE GRP INVESTIGADOR PROBLEMAS ENFERMEDADES INF 9 83% 0.5% 5
4 RIO GRANDE SUL TECH SCI 8 100% 0.5% 5
5 SAN DIEGO PATIENT SAFETY 7 34% 1.7% 17
6 JOINT DOCTORAL PROGRAM GLOBAL HLTH 7 46% 1.1% 11
7 JOINT DOCTORAL PROGRAM GLOBAL PUBL HLTH 6 80% 0.4% 4
8 SECT MED PROD 6 47% 0.9% 9
9 DRUGS FOOD 6 100% 0.4% 4
10 HLTH PROD QUAL CONTROL 6 100% 0.4% 4

Related classes at same level (level 2)



Rank Relatedness score Related classes
1 0.0000017765 ALISMATIS RHIZOMA//ECHINODORUS GRANDIFLORUS//ALISMA ORIENTALE
2 0.0000014004 FOOD AND DRUG LAW JOURNAL//GENERIC SUBSTITUTION//DIRECT TO CONSUMER ADVERTISING
3 0.0000013445 ERECTILE DYSFUNCTION//JOURNAL OF SEXUAL MEDICINE//INTERNATIONAL JOURNAL OF IMPOTENCE RESEARCH
4 0.0000010348 MEMBRANE INTRODUCTION MASS SPECTROMETRY//RESIDUAL SOLVENTS//PL ENVIRONM S
5 0.0000009082 AMBROXOL//PARACETAMOL//DERIVATIVE SPECTROPHOTOMETRY
6 0.0000008300 GAMBOGIC ACID//GUTTIFERAE//XANTHONE
7 0.0000007954 DOPING CONTROL//EPITESTOSTERONE//DOPING ANALYSIS
8 0.0000007468 MDMA//ECSTASY//3 4 METHYLENEDIOXYMETHAMPHETAMINE
9 0.0000007445 QUASSINOIDS//SIMAROUBACEAE//LEPIDIUM MEYENII
10 0.0000007092 JPC-JOURNAL OF PLANAR CHROMATOGRAPHY-MODERN TLC//PLANAR ELECTROCHROMATOGRAPHY//THIN LAYER CHROMATOGRAPHY