Hot tubs and miscarriage--methodological and substantive reasons why the case is weak.
Hertz-Picciotto
Irva
I
Department of Epidemiology and Preventive Medicine, University of California, Davis, Davis, CA 95616, USA. ihp@ucdavis.edu
Howards
Penelope P
PP
D000022:Abortion, Spontaneous / Q000453:epidemiology / Q000209:etiology*; D015982:Bias; D015986:Confounding Factors, Epidemiologic; D015340:Epidemiologic Research Design; D016021:Epidemiologic Studies; D019317:Evidence-Based Medicine; D005260:Female; D006801:Humans; D006875:Hydrotherapy / Q000009:adverse effects*; D008423:Maternal Age; D011247:Pregnancy; D016016:Proportional Hazards Models; D011446:Prospective Studies; D012307:Risk Factors; D011795:Surveys and Questionnaires; D016019:Survival Analysis