The HIV epidemic in children parallels that among women on account of perinatal transmission. A combination of antiretroviral therapy and elective caesarean section reduces the rate of vertical transmission to <2%. Elective caesarean section independent of antiretroviral therapy decreases the risk of HIV vertical transmission from mother to baby. However, a caesarean section is a major surgical...

Vertical aerial photographs were collected of gray whales migrating along the California Coast between 1994 and 1998 to readdress some published findings on biology life history this population based examination specimens. For each whale, an attempt was made measure standard total length, width whale at its widest point, distance from tip rostrum flukes. southbound whales, early migrants longer...

High plasma levels of homocysteine are associated with an increased risk for thromboembolic events. Neuraxial anesthesia techniques may be relatively contraindicated in anticoagulated patients, and nitrous oxide may exacerbate the condition by inhibiting the conversion of homocysteine to methionine. We describe the anesthetic implications and management of a patient with hyperhomocysteinemia un...