| 摘要 |
Method for the investigation of biological samples from a mammal for at least one component, wherein the method includes the following steps : (a) Administering at least one marker substance to a mammal; (b) Waiting for a length of time which is sufficient for the at least one marker substance to reach the location of sample removal; (c) Removing a biological sample from the mammal; (d) Investigating the biological sample for the presence and/or amount of at least one marker substance or a derivative thereof; and, if the at least one marker substance or the derivative thereof is detectable in the biological sample; (e) Investigating the biological sample for an analyte, wherein the marker contains at least two polyethylene glycols with different concentration. |
