Koos Brian J Adenosine A?a receptors and O? sensing in development.. American journal of physiology. Regulatory, integrative and comparative physiology. 2011; 301(3): R601-22.

Maeda Takatsugu, Koos Brian J Adenosine A1 and A2a receptors modulate insulinemia, glycemia, and lactatemia in fetal sheep.. American journal of physiology. Regulatory, integrative and comparative physiology. 2009; 296(3): R693-701.

Hwang Han-Sung, Maeng Yong-Sun, Park Yong-Won, Koos Brian J, Kwon Young-Guen, Kim Young-Han Increased senescence and reduced functional ability of fetal endothelial progenitor cells in pregnancies complicated by preeclampsia without intrauterine growth restriction.. American journal of obstetrics and gynecology. 2008; 199(3): 259.e1-7.

Koos Brian J First-trimester screening: lessons from clinical trials and implementation.. Current opinion in obstetrics & gynecology. 2006; 18(2): 152-5.

Koos Brian J, Kawasaki Yoshikazu, Kim Young-Han, Bohorquez Fanor Adenosine A2A-receptor blockade abolishes the roll-off respiratory response to hypoxia in awake lambs.. American journal of physiology. Regulatory, integrative and comparative physiology. 2005; 288(5): R1185-94.

Koos Brian J Too much information or not enough? Editorial review.. Current opinion in obstetrics & gynecology. 2005; 17(2): 161-2.

Filkins Karen, Koos Brian J Ultrasound and fetal diagnosis.. Current opinion in obstetrics & gynecology. 2005; 17(2): 185-95.

Shi Lijun, Yao Jiaming, Koos Brian J, Xu Zhice Induced fetal depressor or pressor responses associated with c-fos by intravenous or intracerebroventricular losartan.. Brain research. Developmental brain research. 2004; 153(1): 53-60.

Koos Brian J, Kawasaki Yoshikazu, Hari Ashwinii, Bohorquez Fanor, Jan Calvin, Roostaeian Jason, Wilson Charles L, Kruger Lawrence Electrical stimulation of the posteromedial thalamus modulates breathing in unanesthetized fetal sheep.. Journal of applied physiology (Bethesda, Md. : 1985). 2004; 96(1): 115-23.

Koos Brian J, Maeda Takatsugu, Jan Calvin, Lopez Grace Adenosine A(2A) receptors mediate hypoxic inhibition of fetal breathing in sheep.. American journal of obstetrics and gynecology. 2002; 186(4): 663-8.