RT Journal Article SR Electronic T1 Sexual Reproduction in Histoplasma capsulatum JF Science JO Science FD American Association for the Advancement of Science SP 1696 OP 1696 DO 10.1126/science.155.3770.1696 VO 155 IS 3770 A1 Ajello, Libero A1 Cheng, Shu-lan YR 1967 UL http://science.sciencemag.org/content/155/3770/1696.1.abstract AB