Long-acting contraceptives.
D003270:Contraceptive Agents; D003276:Contraceptives, Oral; D006801:Humans; D010969:Plastics; D013256:Steroids / Q000627:therapeutic use*; D014183:Transplantation, Heterologous
D003270:Contraceptive Agents; D003276:Contraceptives, Oral; D010969:Plastics; D013256:Steroids