| APSS | Association for the Psychophysiological Study of Sleep |
|---|---|
| ASHI | Association for the Study of Human Infertility |
| ASIF | Association for Study of Internal Fixation |
| ASME | Association for the Study of Medical Education |
| ASSO | American Society for the Study of Orthodontics |
| Framingham Heart study | <epidemiology> Ongoing epidemiologic study of a cohort of over 5,000 of the population of Framingham, MA conducted since 1949 under the auspices of the National Institutes of Health and Boston University. (05 Mar 2000) |
|---|---|
| longitudinal study | <epidemiology> A study taking place over time. If individuals are followed, this is a longitudinal cohort study. If individuals are not followed, but classes (usually age classes) are restudied, this is a longitudinal cross-sectional study. The converse of a horizontal study. (05 Dec 1998) |