| Subject |
|---|
| Abfraction [1] |
| Ablactación de las madres [1] |
| Abnormal sodium [1] |
| Abono a base de desechos orgánicos - Educación [1] |
| Abono orgánico compost [1] |
| Abordaje [2] |
| Abordaje de la investigación en el ámbito educativo [2] |
| Abordaje tecnológco [1] |
| Aboriginal world view - Piapoko culture [1] |
| Abortion [2] |
| Aborto [3] |
| Aborto diferido [1] |
| Aborto espontáneo [1] |
| Abrasión [2] |
| Abruption placentae [1] |
| Absceso anorectal [1] |
| Absceso de pared [1] |
| Absceso pulmonar [1] |
| Absenteeism [4] |
| Absenteeism and productive process [1] |