Birth counts statistics of pregnancy and childbirth
Macfarlane, Alison.
Mugford, Miranda.
National Perinatal Epidemiology Unit.
Great Britain.Office of Population Censuses and Surveys.
London HMSO,
1984
Produced by National Perinatal Epidemiology Unit in collaboration with Office of Population, Censuses and Surveys
Includes Index
Childbirth.
Pregnancy.