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355 trials have been registered

Historical versions Registration number Public title Type Registration time
Historical Versions ChiCTR1900022641

waiting for an approval letter of ethics committee Epidemiological investigation of mid-and long-term visual quality after cataract surgery in Chongqing, China

The First Affiliated Hospital of Chongqing Medical University

Epidemilogical research 2019/04/19
Historical Versions ChiCTR1900022569

Prospective study for maternal perinatal drug exposure associated with birth defects in offspring

Sichuan University

Epidemilogical research 2019/04/17
Historical Versions ChiCTR1900022514

Investigation for current states of dietary intake and its influencing factors in patients with common cancers (DIIFC)

The First Hospital of Hebei Medical University

Epidemilogical research 2019/04/14
Historical Versions ChiCTR1900022317

A Cross-sectional Study for investigation of the status of Rhinitis in Elderly Population

Department of Otolaryngology, West China Hospital, Sichuan University

Epidemilogical research 2019/04/04
Historical Versions ChiCTR1900022248

Epidemiological Investigation of Calciphylaxis on Dialysis Patients in Jiangsu Province

Zhongda Hospital affiliated of Southeast University

Epidemilogical research 2019/03/31
Historical Versions ChiCTR1900022237

Malocclusion features of Chinese children with reduced somatic growth

West China College of Stomatology, Sichuan University

Epidemilogical research 2019/03/31
Historical Versions ChiCTR1900022164

Genetics of febrile convulsion in China: a prospective multicenter study

Chinese PLA General Hospital

Epidemilogical research 2019/03/27
Historical Versions ChiCTR1900022149

Investigation on clinical characteristics and treatment status of hospitalized patients with chronic heart failure in Xinjiang

The First Affiliated Hospital of Xinjiang Medical University

Epidemilogical research 2019/03/27
Historical Versions ChiCTR1900022145

Depression cohort in China

Department of Medical Statistics and Epidemiology, School of Public Health, Sun Yat-sen University

Epidemilogical research 2019/03/27
Historical Versions ChiCTR1900022142

Dynamic monitoring of tobacco epidemic and analysis of influencing factors in guangzhou residents

Health Education Center of Guangzhou

Epidemilogical research 2019/03/27
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