000 01136 a2200277 4500
005 20250512071343.0
264 0 _c19861121
008 198611s 0 0 eng d
022 _a0021-9681
024 7 _a10.1016/0021-9681(86)90086-x
_2doi
040 _aNLM
_beng
_cNLM
100 1 _aEsdaile, J M
245 0 0 _aObservational studies of cause-effect relationships: an analysis of methodologic problems as illustrated by the conflicting data for the role of oral contraceptives in the etiology of rheumatoid arthritis.
_h[electronic resource]
260 _bJournal of chronic diseases
_c1986
300 _a841-52 p.
_bdigital
500 _aPublication Type: Journal Article; Research Support, Non-U.S. Gov't
650 0 4 _aArthritis, Rheumatoid
_xdiagnosis
650 0 4 _aContraceptives, Oral
_xadministration & dosage
650 0 4 _aDiagnostic Errors
650 0 4 _aFemale
650 0 4 _aHumans
650 0 4 _aResearch Design
700 1 _aHorwitz, R I
773 0 _tJournal of chronic diseases
_gvol. 39
_gno. 10
_gp. 841-52
856 4 0 _uhttps://doi.org/10.1016/0021-9681(86)90086-x
_zAvailable from publisher's website
999 _c3765811
_d3765811