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  • H W Baker
  • 1986
The majority of men who present with infertility have oligospermia or asthenospermia which renders them subfertile; pregnancies occur at lower than normal rates. Currently available treatments for this group are of uncertain value. This paper outlines an approach to controlled trials to test old and new methods for their ability to improve semen quality and(More)
  • H W Baker
  • 1998
Diseases in other organs may impair the male reproductive system. Acute critical conditions such as severe trauma, surgery, myocardial infarction, burns, liver failure, intoxication, or starvation are associated with suppression of gonadotropin secretion and secondary hypogonadism. With chronic illnesses, a primary testicular disorder with elevated(More)
OBJECTIVES We assessed the long-term effect of early childhood lead exposure on academic achievement in mathematics, science, and reading among elementary and junior high school children. METHODS We linked early childhood blood lead testing surveillance data from the Detroit Department of Health and Wellness Promotion to educational testing data from the(More)
Our experience thus far indicates that the island cheek flap is a satisfactory reconstructive method for small but critical defects in the upper aerodigestive tract. The mucosal lining is an ideal replacement for the lining of the mouth, pharynx, and esophagus. Only a single stage procedure is required. The surgical technique is relatively simple and does(More)
A revised clinical staging system for cancers arising in head and neck sites has been prepared. It utilizes a uniform N classification for cervical node metastases. The T classifications describing the extent of the primary tumor are generally similar but differ in specific details for each site. Although the present system makes use of past field trials(More)