TY  - JOUR
A1  - Wilcox, A.J.
A1  - Weinberg, C.R.
A1  - O'Connor, J.F.
A1  - Baird, D.D.
A1  - Schlatterer, J.P.
A1  - Canfield, R.E.
A1  - Armstrong, E.G.
A1  - Nisula, B.C. 
T1  - Incidence of early loss of pregnancy
Y1  - 1988
DO  - 10.1056/NEJM198807283190401
JF  - New England Journal of Medicine 
VL  - 319
IS  - 4

ER  -