Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation

Search Page

Filters

My NCBI Filters

Text availability

Article attribute

Article type

Publication date

Search Results

1,322 results

Filters applied: . Clear all
Results are displayed in a computed author sort order. The Results By Year timeline is not available.
Page 1
Prevalence, characteristics, and predictors of early termination of cardiovascular clinical trials due to low recruitment: insights from the ClinicalTrials.gov registry.
Bernardez-Pereira S, Lopes RD, Carrion MJ, Santucci EV, Soares RM, de Oliveira Abreu M, Laranjeira LN, Ikeoka DT, Zazula AD, Moreira FR, Cavalcanti AB, Mesquita ET, Peterson ED, Califf RM, Berwanger O; Methodological Evaluation of clinical TriAls Study Group. Bernardez-Pereira S, et al. Among authors: califf rm. Am Heart J. 2014 Aug;168(2):213-9.e1. doi: 10.1016/j.ahj.2014.04.013. Epub 2014 May 2. Am Heart J. 2014. PMID: 25066561
Noninvasive detection of reperfusion after thrombolysis based on serum creatine kinase MB changes and clinical variables. TAMI 7 Study Group. Thrombolysis and Angioplasty in Myocardial Infarction.
Ohman EM, Christenson RH, Califf RM, George BS, Samaha JK, Kereiakes DJ, Worley SJ, Wall TC, Berrios E, Sigmon KN, et al. Ohman EM, et al. Among authors: califf rm. Am Heart J. 1993 Oct;126(4):819-26. doi: 10.1016/0002-8703(93)90694-5. Am Heart J. 1993. PMID: 8213437 Clinical Trial.
Pragmatic and mechanistic trials.
Califf RM, Woodlief LH. Califf RM, et al. Eur Heart J. 1997 Mar;18(3):367-70. doi: 10.1093/oxfordjournals.eurheartj.a015256. Eur Heart J. 1997. PMID: 9076373 No abstract available.
1,322 results