Abigail D. Winder, Adria Suarez Mora, Emily Berry, & John R. Lurain. (2017). The "hook effect" causing a negative pregnancy test in a patient with an advanced molar pregnancy. Elsevier.
Chicago Style (17th ed.) CitationAbigail D. Winder, Adria Suarez Mora, Emily Berry, and John R. Lurain. The "Hook Effect" Causing a Negative Pregnancy Test in a Patient with an Advanced Molar Pregnancy. Elsevier, 2017.
MLA (9th ed.) CitationAbigail D. Winder, et al. The "Hook Effect" Causing a Negative Pregnancy Test in a Patient with an Advanced Molar Pregnancy. Elsevier, 2017.
Warning: These citations may not always be 100% accurate.