Saurel-CubizollesM.J., KaminskiM.Pregnant women's working conditions and their changes during pregnancy: a national study in France. Br J Ind Med1987; 44: 236–43
2.
McDonaldA.D., McDonaldJ.C., ArmstrongB.Prematurity and work in pregnancy. Br J Ind Med1988; 45: 56–62
3.
BalarajanR.Inequalities in health within the health sector. BMJ1989; 299: 822–5
