This is a cross-sectional study based on a population-based register.
We conducted a retrospective cohort study based on a population-based perinatal database from Suzhou, China.
Our study, based on a large, population-based, multi-ethnic cohort, was well suited to test our hypotheses.
According to a new study based on a series of lab-based experiments comparing how much students learned after listening to the same lectures, there's no contest.
The study, based on a gene called Myc, could lead to new ways of treating cancer.
That study, based on a survey sent out by the John Jay College of Criminal Justice in New York, is expected to be released next month.
The study, based on a survey of 14,138 students last year, appeared in this week's Journal of the American Medical Association.
But the study, based on a written survey of the top editors at 259 newspapers of all sizes and interviews with some, seeks to quantify the change.
The overall approach is illustrated in a case study based on a collaborative drug circulation process.
A case study based on a DH system in Hebei Province, China, was carried out.
The multidisciplinary interface model is implemented by a case study based on a 3D measurement system.
