منابع مشابه
Contraception
HEALTH ISSUE: Contraception choices affect the long-term sexual health and fertility of women and men. Data from the 1998 Canadian Contraception Study and the 2000/2001 Canadian Community Health Survey were assessed for measures of contraceptive use and familiarity with various methods among Canadian women. KEY FINDINGS: The oral contraceptive (OC) pill is the dominant method of contraception f...
متن کاملContraception
the donor, the recipient, and the doctors involved, the definitions of death, the uncertainty of recently evolved experimental techniques, and the problem of availability of organs and dialysis machines. Of a more fundamental nature are the scientific, social and religious repercussions and interactions which the authors suggest may lead to basic changes in attitudes to health and disease, life...
متن کاملHormonal Contraception
the mechanism of transformation by RNA viruses. Benyesh-Melnick and co-workers describe the presence of DNA in purified murine leukemia-sarcoma virus preparations, suggesting that, in addition to unexpectedly complex enzymatic machinery, some tumor viruses may contain more than one type of nucleic acid. Several groups analyze differences in the membranes of transformed and normal cells. Burger,...
متن کاملEmergency contraception?
My girlfriend and I had sex twice one night ? the second time, we had to change condoms because she was dry and the lubricant had run out. Before I put the second condom on, she asked me to "put it in" without it on for a few seconds; which I did ? not entirely all the way though. I instantly realized the mistake and withdrew. Naturally, as I expect, there is a small chance this could have gott...
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ژورنال
عنوان ژورنال: Postgraduate Medical Journal
سال: 1995
ISSN: 0032-5473
DOI: 10.1136/pgmj.71.831.61-c