Ectopic pregnancy: A case-control study of aetiological risk factors
β Scribed by L. Tuomivaara; A. Kauppila
- Publisher
- Springer
- Year
- 1988
- Tongue
- English
- Weight
- 384 KB
- Volume
- 243
- Category
- Article
- ISSN
- 0003-9128
No coin nor oath required. For personal study only.
π SIMILAR VOLUMES
## BACKGROUND. Very little information is presently available regarding risk factors for essential thrombocythemia (ET). ## METHODS. A case-control study was performed to study the possible association between ET and selected behavioral, occupational, and environmental exposures. ## RESULTS.
## Abstract Barrett's esophagus (BE) is an acquired disorder due to chronic gastroesophageal reflux. Environmental factors seem to play an important role in the pathogenesis of BE, especially in Western society. A multicenter caseβcontrol study was carried out between February 1995 and April 1999 i
## Abstract Statutory notification of cancer in New Zealand provided an opportunity to investigate risk factors for prostate cancer in a large national populationβbased caseβcontrol study. We analyzed data obtained from telephone interviews with 923 cases and 1,224 controls. For inclusion in the st
A population-based case-control study of gallbladder cancer was conducted in the south-west of Poland, within the framework of the SEARCH Programme of the International Agency for Research on Cancer. A total of 73 cases and 186 controls were interviewed using a questionnaire including demographic an