Chen, Xigui The investigation of factors influencing the measurement of thyroid stimulating hormone in dried blood spots on filter paper. [electronic resource] - The Southeast Asian journal of tropical medicine and public health 2003 - 147-9 p. digital Publication Type: Journal Article ISSN: 0125-1562 Subjects--Topical Terms: Blood Specimen CollectionCongenital HypothyroidismEnzyme-Linked Immunosorbent AssayHumansHypothyroidism--bloodInfant, NewbornNeonatal Screening--methodsQuality ControlReference ValuesSpecimen HandlingThyrotropin--bloodTime Factors