(Q44835394)
Statements
1 reference
Perinatal Mortality in Shanghai: 1986–1987 (English)
1 reference
Perinatal mortality in Shanghai: 1986-1987 (English)
J. Zhang
W. W. Cai
1 December 1991
1 reference
1 reference
20
1 reference
4
1 reference
958-963
1 reference
Identifiers
1 reference
1 reference