权威例句
Fecal and urinary incontinence in primiparous womenBiased adult sex ratio affects fecundity in primiparous moose Alces alcesSpontaneous preterm delivery in primiparous women at low risk in Denmark: population based study.Feeding lactating primiparous sows to establish three divergent metabolic states: III. Milk production and pig growth.The effect of peer support on breast-feeding duration among primiparous women: a randomized controlled trialPerfluorinated alkyl acids in blood serum from primiparous women in Sweden: serial sampling during pregnancy and nursing, and tempor...Comparison of growth hormone-releasing factor and somatotropin: thyroid status of lactating, primiparous cows.Comparison of Growth Hormone-Releasing Factor and Somatotropin: Body Growth and Lactation of Primiparous Cows 1Characterization of luteinizing hormone secretion in the primiparous, lactating sow: relationship to blood metabolites and return-to...Comparison of growth hormone-releasing factor and somatotropin: the somatotropic axis in lactating primiparous cows