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| 1 | Association between serum vitamin D levels and gastric cancer:A retrospective chart analysis显示文摘AIM To determine whether there is an increased risk of gastric adenocarcinoma associated with vitamin D deficiency(VDd).METHODS A retrospective case control study was performed of all patients diagnosed with gastric adenocarcinoma between 2005 and 2015.After we excluded the patients without a documented vitamin D level,49 patients were included in our study.RESULTS The average age of patients with gastric adenocarcinoma and documented vitamin D level was 64 years old(95%CI: 27-86) and average vitamin D level was 20.8 mg/d L(95%CI: 4-44).Compared to a matched control group,the prevalence of VDd/insufficiency in patients with gastric adenocarcinoma was significantly higher than normal vitamin D levels(83.7% vs 16.3%).Forty-one patients(83.7%) with adenocarcinoma showed VDd/insufficiency compared to 18(37%) patients with normal vitamin D level without gastric cancer(OR: 8.8,95%CI: 5-22,P value < 0.0001).The average age of males with gastric adenocarcinoma diagnosis was 60 years old vs 68 years old for females(P = 0.01).StageⅡ gastric adenocarcinoma was the most prevalent in our study(37%).CONCLUSION We reported a positive relationship between VDd and gastric adenocarcinoma,that is to say,patients with decreased VDd levels have an increased propensity for gastric adenocarcinoma. | Neil Vyas Rafael Ching Companioni Melik Tiba Hassan Alkhawam Carmine Catalano Robert Sogomonian Joel Baum Aaron Walfish | 2016 | World Journal of Gastrointestinal Oncology2016，8，9： | 10 |
| 2 | Introduction:Ecology versus strategy or strategy and ecology 显示文摘 | Stanislav D Dobrev Joel A C Baum | 2006 | Advances in Strategic Management2006，23，： | 1 |
| 3 | Organizational niches and the dynamics of organizational mortality显示文摘 | Baum Joel A C Singhn Jitendra V | 1994 | The American Journal of Sociology1994，，2： | 1 |
| 4 | Network-independent partner selection and the evolution of innovation networks显示文摘 | JOEL BAUM ROBIN COWAN NICOLAS JONARD | 2010 | Management Science2010，56，11： | 1 |
| 5 | Network-Independent Partner Selection and the Evolution of Innovation Networks显示文摘 | JOEL A C BAUM ROBIN COWAN NICOLAS JONARD | 2010 | Management Science2010，56，11： | 1 |
| 6 | Organizational Niches and the Dynamics of Organizational Founding 显示文摘 | Joel Baum A C Singh J V | 1994 | Organization Science1994，5，4： | 1 |
| 7 | Built to last but falling apart:cohesion,friction,and withdrawal from interfirm alliances显示文摘 | GREVE H R JOEL A C BAUM HITOSHI MITSUHASHI | 2010 | Academy Of Management Journal2010，53，2： | 1 |
| 8 | Survival-enhancing Learning in the Manhattan Hotel Industry, 1898-1980 显示文摘 | Joel A C Baum Paul Ingrain | 1998 | Management Science1998，44，7： | 1 |
| 9 | Management Challenges in a New Time显示文摘 | Joel A C Baum Elizabeth A Mannix | 2002 | Academy of Management Journal2002，45，： | 1 |
| 10 | Sophistication of interfirm network strategies in the Canadian investment banking industry显示文摘 | Timothy J. Rowley Joel A.C. Baum | 2004 | Scandinavian Journal of Management2004，，1： | 1 |
| 11 | Toward an institutional ecology of organizational founding显示文摘 | Oliver C | 1996 | Academy of Management Journal1996，39，5： | 1 |
| 12 | Don' t Go It Alone: Alliance Network Composition and Startups' Performance in Canadian Biotechnology 显示文摘 | BAUM JOEL A C CALABRESE T S1LVERMAN B S | 2000 | Strategic Management Journal2000，21，： | 1 |
| 13 | Picking winners or building them? Alliance, intellectual, and human capital as selec- tion criteria in venture financing and performance of biotechnology startups显示文摘 | Baum Joel A Silverman C and Brian S | 2004 | Journal of Business Venturing2004，19，3： | 1 |
| 14 | Organizational niche and the dynamics of organizational founding显示文摘 | Baum Joel A CJitendra V Singh | | 0，，04： | 1 |
| 15 | Aspiration Performance and Railroads’ Patterns of Learning from Train Wrecks and Crashes显示文摘 | Joel A. C. Baum Kristina B. Dahlin | 2007 | Organization Science2007，，3： | 1 |
| 16 | Don't go it alone:Alliance network composition and startups' performance in Canadian biotechnology显示文摘 | JOEL AC BAUM TONY CALABRESE BRIAN S SILVERMAN | 2000 | Strategic Management Journal2000，21，3： | 1 |
| 17 | Built to last but falling apart: Cohesion, fric- tion, and withdrawal from interfirm alliances显示文摘 | Greve Henrich Baum Joel A Mitsuhashi Hitoshi and Rowley Timothy | 2010 | Academy of Management Journal2010，53，2： | 1 |
| 18 | Organizational Niches and the Dynamics of Organizational Founding显示文摘 | Joel A. C. Baum Jitendra V. Singh | 1994 | Organization Science1994，，4： | 1 |
| 19 | Canadian Biotechnology Start-Ups, 1991–1997: The Role of Incumbents’ Patents and Strategic Alliances in Controlling Competition显示文摘 | Tony Calabrese Joel A.C. Baum Brian S. Silverman | 2000 | Social Science Research2000，，4： | 1 |
| 20 | Organizational niche and the dynamics of organizational founding 显示文摘 | BAUM JOEL A C JITENDRA V SINGH | 1994 | Organizational Science1994，100，2： | 1 |
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