Results 141 to 150 of about 61,640 (228)

Family and personal factors predisposing adolescents to substance abuse in high-risk urban areas. [PDF]

open access: yesPLoS One
Quinde Reyes M   +6 more
europepmc   +1 more source

Serum homocysteine-based traffic light triage colonoscopy screening in colorectal cancer at-risk patients: A prospective cohort study. [PDF]

open access: yesWorld J Gastroenterol
Cano FX   +11 more
europepmc   +1 more source

Comparative Effectiveness of Tunneling vs. Coronally Advanced Flap Techniques for Root Coverage: A 6-12-Month Randomized Clinical Trial. [PDF]

open access: yesBioengineering (Basel)
Chauca-Bajaña L   +8 more
europepmc   +1 more source

Reglamento del Colegio Nacional San Vicente de Guayas

open access: yes, 1890
Se detalla cuales son los objetivos del colegio como el llevar una educación religiosa, moral y civil capaz de tener adelantos progresivos de la época. El presente reglamento se encuentra dividido en tres partes: la primera parte consta de 4 capítulos, en el primer título constan las materias que se enseñaran durante toda la formación secundaria así ...
openaire   +1 more source

Hansen's Disease in Ecuador: Current Status, Knowledge Gaps, and Research Priorities: A Literature Review. [PDF]

open access: yesPathogens
Calvopiña M   +5 more
europepmc   +1 more source

Alien arthropod species deterred from establishing in Galápagos,but how many are entering undetected? [PDF]

open access: yes, 2000
Causton, Charlotte E.   +2 more
core  

Temporal Trends in Lower Respiratory Infection Mortality in Ecuador, 2012-2022. [PDF]

open access: yesTrop Med Infect Dis
Krishna R   +2 more
europepmc   +1 more source

Transanal minimally invasive surgery for a rectal tubulovillous adenoma with high-grade dysplasia: a case report. [PDF]

open access: yesJ Surg Case Rep
Bombón Caizaluisa MF   +4 more
europepmc   +1 more source

Association of torque teno virus in periodontitis: a systematic review, meta-analysis, and trial sequential analysis. [PDF]

open access: yesFront Oral Health
Chauca-Bajaña L   +10 more
europepmc   +1 more source

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