Results 201 to 210 of about 793,803 (212)

Blood pressure, stroke, and coronary heart disease *1Part 1, prolonged differences in blood pressure: prospective observational studies corrected for the regression dilution bias

Lancet, The, 1990
exaly  

9.6.1 Observational methods

2006
K. J. Fricke, A. Witzel
openaire   +1 more source

Observational method

2017
openaire   +1 more source

Qualitative Methods, Observational Methods

2013
openaire   +1 more source

Decline in the AIDS and death rates in the EuroSIDA study: an observational study

Lancet, The, 2003
exaly  

Observational Methods (General)

2003
openaire   +1 more source

Observational Methods

openaire   +1 more source

Family observation methods

2016
openaire   +1 more source

Indirect Observational Methods

2012
openaire   +1 more source

Observational Research Methods

2017
openaire   +1 more source