Randomized trials
CONSORT
Observational studies
STROBE
Systematic reviews
PRISMA
Study protocols
SPIRIT
PRISMA-P
Diagnostic/prognostic studies
STARD
TRIPOD
Case reports
CARE
Clinical practice guidelines
AGREE
RIGHT
Qualitative research
SRQR
COREQ
Animal preclinical studies
ARRIVE
Quality improvement studies
SQUIRE
Economic evaluations
CHEERS
Equator network
Enhancing the quality and transparency of health research