R. Hartley

Airflow and pressure during canary song: direct evidence for mini-breaths

R. Suthers, R. Hartley, 2004, Journal of Comparative Physiology A.

Increasing rates of sex-discordant twins no longer correspond to decreasing perinatal mortality rates.

J. Hitti, R. Hartley, 2008, Journal of perinatal medicine.

Please exit safely: maternal and twin pair neonatal outcomes according to delivery mode when twin A is vertex*

J. Hitti, R. Hartley, 2017, The journal of maternal-fetal & neonatal medicine : the official journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians.

Increasing rates of preterm twin births coincide with improving twin pair survival

J. Hitti, R. Hartley, 2010, Journal of perinatal medicine.

Size-discordant twin pairs have higher perinatal mortality rates than nondiscordant pairs.

J. Hitti, R. Hartley, I. Emanuel, 2002, American journal of obstetrics and gynecology.

Seasonal changes in flock size and winter flower-foraging habits of Bushtits (Psaltriparus minimus) in Washington state

R. Hartley, M. Bredehoeft, Johanna Erickson, 2022, The Wilson Journal of Ornithology.

Perinatal mortality and neonatal morbidity rates among twin pairs at different gestational ages: optimal delivery timing at 37 to 38 weeks' gestation.

J. Hitti, R. Hartley, I. Emanuel, 2001, American journal of obstetrics and gynecology.

Motor dynamics of song production by mimic thrushes.

F Goller, F. Goller, R. Suthers, 1994, Journal of neurobiology.

Birth order and delivery interval: Analysis of twin pair perinatal outcomes

J. Hitti, R. Hartley, 2005, The journal of maternal-fetal & neonatal medicine : the official journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians.

Constitutional Reform in Alabama: Why Efforts for Change Continue to Fail

R. Hartley, 2015 .

Left Syringeal Dominance in Testosterone-Treated Female Canaries

R. Hartley, Nathan F E Ullrich, Melissa S. Chinn, 1997, Neurobiology of Learning and Memory.

Motor stereotypy and diversity in songs of mimic thrushes.

F. Goller, R. Suthers, R. Hartley, 1996, Journal of neurobiology.

Expiratory muscle activity during song production in the canary.

R. Hartley, R S Hartley, 1990, Respiration physiology.

Lateralization of syringeal function during song production in the canary.

R. Suthers, R. Hartley, R A Suthers, 1990, Journal of neurobiology.