Results 251 to 260 of about 315,538 (296)
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The Botanical Review, 1956
Cytoplasmic inheritance is of theoretical importance-it may be of even greater practical importance, for, when it involves malesterility-as in many instances it does-it may make hybridization easier. It may also make possible the use of heterosis in plants otherwise difficult to hybridize.
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Cytoplasmic inheritance is of theoretical importance-it may be of even greater practical importance, for, when it involves malesterility-as in many instances it does-it may make hybridization easier. It may also make possible the use of heterosis in plants otherwise difficult to hybridize.
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American Journal of Obstetrics and Gynecology, 1951
Abstract Using Farris' technique of examining semen specimens for determining the potential degree of the male's fertility, 200 semen analyses were done on 178 husbands in 178 unselected infertile couples. It was found that 123, or 69 per cent, of these men had an absolute motility of 80,000,000 or more sperm and therefore were potentially fertile ...
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Abstract Using Farris' technique of examining semen specimens for determining the potential degree of the male's fertility, 200 semen analyses were done on 178 husbands in 178 unselected infertile couples. It was found that 123, or 69 per cent, of these men had an absolute motility of 80,000,000 or more sperm and therefore were potentially fertile ...
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Nihon rinsho. Japanese journal of clinical medicine, 1998
Recently several studies have suggested a decline in the quality of semen. About half of the infertile causes are in men, the rate is increasing in the infertile couples. There are some therapy for the male sterility; medication, surgery or assisted reproductive technology (ART).
K, Hoshi, K, Mizuno
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Recently several studies have suggested a decline in the quality of semen. About half of the infertile causes are in men, the rate is increasing in the infertile couples. There are some therapy for the male sterility; medication, surgery or assisted reproductive technology (ART).
K, Hoshi, K, Mizuno
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MMW, Munchener medizinische Wochenschrift, 1976
Vasoresection has great significance as a method of contraception. Next to surgicial sterilization of the female it is the most reliable method of contraception if surgical technical errors are avoided and postoperative speriograms are carried out. According to a review by Leader (2711 cases), 1 patient in 400 remaining capable of procreation must ...
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Vasoresection has great significance as a method of contraception. Next to surgicial sterilization of the female it is the most reliable method of contraception if surgical technical errors are avoided and postoperative speriograms are carried out. According to a review by Leader (2711 cases), 1 patient in 400 remaining capable of procreation must ...
openaire +1 more source