Multiple births: too often a disaster.
Campbell
D M
DM
D005260:Female; D005300:Fertility Agents, Female / Q000627:therapeutic use; D006801:Humans; D007231:Infant, Newborn; D007247:Infertility, Female / Q000188:drug therapy; D010062:Ovulation Induction; D011247:Pregnancy; D011256:Pregnancy Outcome / Q000191:economics; D011272:Pregnancy, Multiple; D006113:United Kingdom
D005300:Fertility Agents, Female