| Type | Journal Article - International Family Planning Perspectives |
| Title | Ring, monthly injectable produce less menstrual disruption than DMPA |
| Author(s) | |
| Volume | 18 |
| Issue | 2 |
| Publication (Day/Month/Year) | 1992 |
| Page numbers | 75-77 |
| URL | http://www.jstor.org/pss/2133400 |
| » | Guatemala - Encuesta Nacional de Salud Materno Infantil 1987 |