1 Subjects: “...serum low density lipoprotein...”

2 Subjects: “...bovine serum albumin...”

3 Subjects: “...serum...”

4 Subjects: “...bovine serum albumin...”

5 Subjects: “...serum lipid indices...”

6 Subjects: “...serum protein fractions...”

7 Subjects: “...serum bactericidal titer...”

8 Subjects: “...serum biomarker...”

9 Subjects: “...human serum albumin...”

10 Subjects: “...serum biomarker...”

11 Subjects: “...maternal serum screening...”

12 Subjects: “...serum chloride levels...”

13 Subjects: “...serum...”

14 Subjects: “...serum resistance...”

15 Subjects: “...bovine calf serum...”