TY - JOUR TI - Pregnancy: Reduced circulating placental protein concentrations during the first trimester are associated with preterm labour and low birth weight T2 - Human Reproduction VL - 8 IS - 11 SP - 1942 EP - 1947 AU - Johnson, M.R. and Riddle, A.F. and Grudzinskas, J.G. and Sharma, V. and Collins, W.P. and Nicolaides, K.H. PB - Oxford University Press (OUP) PY - 1993 PY - 1993 LA - English SN - 1460-2350 SN - 0268-1161 UR - http://dx.doi.org/10.1093/oxfordjournals.humrep.a137965 UR - https://katalog.ub.uni-leipzig.de/Record/ai-49-aHR0cDovL2R4LmRvaS5vcmcvMTAuMTA5My9veGZvcmRqb3VybmFscy5odW1yZXAuYTEzNzk2NQ ER -