These tools will no longer be maintained as of December 31, 2024. Archived website can be found here. PubMed4Hh GitHub repository can be found here. Contact NLM Customer Service if you have questions.
2. Interpretation of observational studies. Polychronopoulou A; Pandis N Am J Orthod Dentofacial Orthop; 2014 Dec; 146(6):815-7. PubMed ID: 25432264 [No Abstract] [Full Text] [Related]
3. Introduction to observational studies: part 2. Pandis N Am J Orthod Dentofacial Orthop; 2014 Feb; 145(2):268-9. PubMed ID: 24485743 [No Abstract] [Full Text] [Related]
4. External validity: a forgotten issue? Palla S; Farella M Int J Prosthodont; 2010; 23(4):293-4. PubMed ID: 20812434 [No Abstract] [Full Text] [Related]
5. Bias in observational studies. Pandis N Am J Orthod Dentofacial Orthop; 2014 Apr; 145(4):542-3. PubMed ID: 24703294 [No Abstract] [Full Text] [Related]
6. Making inferences on treatment effects from real world data: propensity scores, confounding by indication, and other perils for the unwary in observational research. Freemantle N; Marston L; Walters K; Wood J; Reynolds MR; Petersen I BMJ; 2013 Nov; 347():f6409. PubMed ID: 24217206 [No Abstract] [Full Text] [Related]
7. Considerations for planning and designing meta-analysis in oral medicine. Pinto A Oral Surg Oral Med Oral Pathol Oral Radiol; 2013 Aug; 116(2):194-202. PubMed ID: 23663987 [TBL] [Abstract][Full Text] [Related]
8. Bias in observational study designs: cross sectional studies. Sedgwick P BMJ; 2015 Mar; 350():h1286. PubMed ID: 25747413 [No Abstract] [Full Text] [Related]
9. Case-control studies: part 2. Pandis N Am J Orthod Dentofacial Orthop; 2014 Sep; 146(3):402-3. PubMed ID: 25172264 [No Abstract] [Full Text] [Related]
11. Case-control studies: Part 1. Pandis N Am J Orthod Dentofacial Orthop; 2014 Aug; 146(2):266-7. PubMed ID: 25085311 [No Abstract] [Full Text] [Related]
12. [Interpretation of epidemiologic studies. Type of study, elements of bias, causality]. Touzet S; Colin C Rev Prat; 1999 Oct; 49(16):1797-804. PubMed ID: 10578612 [No Abstract] [Full Text] [Related]
13. A general method for describing sources of variance in clinical trials, especially operator variance, in order to improve transfer of research knowledge to practice. Chambers DW; Leknius C; Reid L J Prosthodont; 2009 Apr; 18(3):265-71. PubMed ID: 19141049 [TBL] [Abstract][Full Text] [Related]
14. Introduction to observational studies: part 1. Pandis N Am J Orthod Dentofacial Orthop; 2014 Jan; 145(1):119-20. PubMed ID: 24373663 [No Abstract] [Full Text] [Related]
15. Cohort studies: part 2. Pandis N Am J Orthod Dentofacial Orthop; 2014 Nov; 146(5):686-7. PubMed ID: 25439220 [No Abstract] [Full Text] [Related]
16. Further statistics in dentistry. Part 2: Research designs 2. Petrie A; Bulman JS; Osborn JF Br Dent J; 2002 Oct; 193(8):435-40. PubMed ID: 12516668 [TBL] [Abstract][Full Text] [Related]
18. Confounding of indirect effects: a sensitivity analysis exploring the range of bias due to a cause common to both the mediator and the outcome. Hafeman DM Am J Epidemiol; 2011 Sep; 174(6):710-7. PubMed ID: 21652602 [TBL] [Abstract][Full Text] [Related]
19. Methods to adjust for bias and confounding in critical care health services research involving observational data. Wunsch H; Linde-Zwirble WT; Angus DC J Crit Care; 2006 Mar; 21(1):1-7. PubMed ID: 16616616 [TBL] [Abstract][Full Text] [Related]